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Gem Resources
PO Box 62006
Minneapolis, MN 55426
Phone: (612) 664-0252
Toll-Free: (800) 588-8515
E-Mail:
gri@gemresources.com
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News & Specials
January 2021 Specials
Up to 50% off normal prices.
Rose & Bullet Cut Gemstones: Garnet, Onyx, Green Amethyst, Amethyst, Chalcedony, Adventurine & More
Metal clay heating tests.
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Monthly Specials
August - September 2020
December 2020
February 2020
February 2021
January 2021
July 2020
June 2020
March & April 2020
May 2020
November 2020
October 2020
December 2020
Citrine Facet Round
Nice Color
Natural Citrine
Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Care: Wash with warm, soapy water. Avoid harsh detergents. Never steam clean
2 mm
Regular 6 pieces $6.00
Sale price no longer available
2.5 mm
Regular 6 pieces $7.00
Sale price no longer available
4 mm
Regular 4 pieces $7.00
Sale price no longer available
5 mm
Regular 2 pieces $5.00
Sale price no longer available
6 mm
Regular 2 pieces $8.00
Sale price no longer available
7 mm
Regular 2 pieces $10.00
Sale price no longer available
8 mm
Regular $18.00 each
Sale price no longer available
Peridot Facet Round
Natural Peridot Facet
Refraction Index: 1.635
Hardness: 7.0
Specific Gravity: 3.3 - 3.4
Species: Olivine
Treatment: None
Heat Sensitivity: None
Care: Wash with soapy water. Avoid harsh detergents. Never clean ultrasonically or steam clean.
Metal Clay, safe to fire.
Firing test results; Silver 1200F-1HR-OK, Silver 1475F-1HR metallic, Silver 1650F-2HR Metallic, Bronze 1525F-2HR OK, Copper 1778F-30min OK. Safe to torch fire. Fire in carbon to avoid metallic coating
2 mm
Regular price 10 pieces $9.00
Sale price no longer available
3 mm
Regular price 6 pieces $9.00
Sale price no longer available
4 mm
Regular price 4 pieces $10.00
Sale price no longer available
5 mm
out of stock
out of stock
6 mm
Regular price $10.00 each
Sale price no longer available
Orissa Garnet Facet Round
Natural Orissa Garnet Facet
Refraction Index: 1.73-1.76
Hardness: 7.0-7.5
Specific Gravity: 3.65-3.87
Treatment: None
Care: Wash with soapy water. Avoid harsh detergents. Never clean ultrasonically or steam clean.
Metal Clay, safe to fire.
Test results Silver 1200F-1HR OK, Silver 1475F-1HR Metallic, Silver 1650F-2HR Metallic, Bronze 1525F-2HR OK, and Copper 1778F-30 min OK, Fire in carbon to avoid metallic coating.
2 mm
Regular price 10 pieces $7.00
Sale price no longer available
2.5 mm
Regular price 6 pieces $5.00
Sale price no longer available
3 mm
Regular price 6 pieces $7.00
Sale price no longer available
4 mm
Regular price 2 pieces $6.00
Sale price no longer available
5 mm
Regular price $6.00 each
Sale price no longer available
6 mm
Regular price $10.00 each
Sale price no longer available
8 mm
Regular price $20.00 each
Sale price no longer available
Smoky Quartz Facet Round
Natural Smoky Quartz
Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Care: Wash with warm, soapy water. Avoid harsh detergents. Never steam clean
4 mm
Regular price 6 pieces $7.00
Sale price no longer available
5 mm
Regular price 6 pieces $10.00
Sale price no longer available
7 mm
Regular price 2 pieces $8.00
Sale price no longer available
8 mm
Regular price $6.00 each
Sale price no longer available
10 mm
Regular price $12.00 each
Sale price no longer available
12 mm
Regular price $18.00 each
Sale price no longer available
15 mm
Regular price $26.00 each
Sale price no longer available
Iolite Facet Round
Natural Iolite
Refraction Index: 1.522 - 1.578
Hardness: 7 - 7.5
Specific Gravity: 2.53 - 2.78
Treatment: None
Metal Clay firing test results; Silver 1200F-1HR-OK, Silver 1475F-1HR a little darker, Silver 1650F-2HR Metallic, Bronze 1525F-2HR OK, Copper 1778F-30min color change to lavender.
3 mm
Regular price 4 pieces $10.00
Sale price no longer available
4 mm
Regular price $10.00 each
Sale price no longer available
5 mm
Regular price $15.00 each
Sale price no longer available
6 mm
Regular price $20.00 each
Sale price no longer available
8 mm
Regular price $100.00 each
Sale price no longer available
Amethyst Facet Round
Natural Amethyst
Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Treatment: None
Care: Wash with warm, soapy water. Avoid harsh detergents. Ultrasonic cleaning is usually safe. Never steam clean.
2 mm
Regular price 4 pieces $9.00
Sale price no longer available
2.5 mm
Regular price 4 pieces $9.00
Sale price no longer available
3 mm
Regular price 4 pieces $10.00
Sale price no longer available
4 mm
Regular price 2 pieces $7.00
Sale price no longer available
5 mm
Regular price $5.00 each
Sale price no longer available
6 mm
Regular price $8.00 each
Sale price no longer available
8 mm
Regular price $25.00 each
Sale price no longer available
10 mm
Regular price $40.00 each
Sale price no longer available
12 mm
Regular price $70.00 each
Sale price no longer available
White Topaz (clear) Facet Round
Natural White (Clear) Topaz Facet
Refraction Index: 1.610 - 1.620
Hardness: 8
Specific Gravity: 3.53 to 3.56
Dispersion: 0.014
Treatment: None
Metal Clay, safe to fire.
Test results; Silver 1200F-1HR-OK, Silver 1475F-1HR-OK, Silver 1650F-2HR OK, Bronze 1525F-2HR-OK, Copper 1778F-30min-OK
2 mm
Regular price 12 pieces $6.00
Sale price no longer available
2.5 mm
Regular price 10 pieces $8.00
Sale price no longer available
3 mm
Regular price 10 pieces $10.00
Sale price no longer available
4 mm
Regular price 4 pieces $8.00
Sale price no longer available
5 mm
Regular price 2 pieces $7.00
Sale price no longer available
6 mm
Regular price $6.00 each
Sale price no longer available
10 mm
Regular price $40.00 each
Sale price no longer available
Swiss Blue Topaz Facet Round
Natural Green Amethyst Facet
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Treatment: Irradiated and heat-treated
Care: Wash with warm, soapy water. Avoid harsh detergents. Ultrasonic cleaning is usually safe. Never steam clean.
4 mm
Regular price 2 pieces $6.00
Sale price no longer available
5 mm
Regular price 2 pieces $8.00
Sale price no longer available
6 mm
Regular price $8.00 each
Sale price no longer available
7 mm
Regular price $11.00 each
Sale price no longer available
8 mm
Regular price $23.00 each
Sale price no longer available
10 mm
Regular price $30.00 each
Sale price no longer available
12 mm
Regular price $75.00 each
Sale price no longer available
Mystic Topaz Facet Round
Mystic Mist Topaz Facet
Treatment: Coated
Refraction Index: 1.610 - 1.620
Hardness: 8
Specific Gravity: 3.53 - 3.56
Dispersion: 0.014
Treatment: Coated
Never clean in ultrasonically or steam clean.
3 mm
Regular price 2 pieces $7.00
Sale price no longer available
4 mm
Regular price 2 pieces $8.00
Sale price no longer available
5 mm
Regular price 2 pieces $10.00
Sale price no longer available
6 mm
Regular price $6.00 each
Sale price no longer available
7 mm
Regular price $11.00 each
Sale price no longer available
8 mm
Regular price $16.00 each
Sale price no longer available
10 mm
Regular price $30.00 each
Sale price no longer available
12 mm
Regular price $55.00 each
Sale price no longer available
Twilight Topaz Facet Round
Twilight Mist Topaz Facet
Treatment: Coated
Refraction Index: 1.610 - 1.620
Hardness: 8
Specific Gravity: 3.53 - 3.56
Dispersion: 0.014
Treatment: Coated
Never clean in ultrasonically or steam clean.
4 mm
Regular price 2 pieces $8.00
Sale price no longer available
5 mm
Regular price $6.00 each
Sale price no longer available
6 mm
Regular price $8.00 each
Sale price no longer available
8 mm
Regular price $15.00 each
Sale price no longer available
10 mm
Regular price $30.00 each
Sale price no longer available
Pink Topaz Facet Round
Pink Mist Topaz Facet
Treatment: Coated
Refraction Index: 1.610 - 1.620
Hardness: 8
Specific Gravity: 3.53 - 3.56
Dispersion: 0.014
Treatment: Coated
Never clean in ultrasonically or steam clean.
4 mm
Regular price 2 pieces $7.00
Sale price no longer available
5 mm
Regular price 2 pieces $8.00
Sale price no longer available
6 mm
Regular price $7.00 each
Sale price no longer available
7 mm
Regular price $11.00 each
Sale price no longer available
8 mm
Regular price $16.00 each
Sale price no longer available
10 mm
Regular price $30.00 each
Sale price no longer available
12 mm
Regular price $55.00 each
Sale price no longer available
Mercury Mist Topaz Round
Mercury Mist Topaz Facet
Treatment: Coated
Refraction Index: 1.610 - 1.620
Hardness: 8
Specific Gravity: 3.53 - 3.56
Dispersion: 0.014
Treatment: Coated
Never clean in ultrasonically or steam clean.
5 mm
Regular price 2 pieces $8.00
Sale price no longer available
6 mm
Regular price $7.00 each
Sale price no longer available
7 mm
Regular price $12.00 each
Sale price no longer available
8 mm
Regular price $15.00 each
Sale price no longer available
10 mm
Regular price $30.00 each
Sale price no longer available
Carnelian Facet Round
Natural Carnelian
Color: Translucent Bright Orange
Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Treatment: Heat-treated and/or Dyed
Care: Ultrasonic and steam cleaning are usually safe.
5 mm
out of stock
out of stock
6 mm
Regular price 4 pieces $9.00
Sale price no longer available
7 mm
Regular price 2 pieces $6.00
Sale price no longer available
8 mm
Regular price 2 pieces $7.00
Sale price no longer available
10 mm
Regular price $9.00 each
Sale price no longer available
12 mm
Regular price $13.00 each
Sale price no longer available
Moonstone Facet Round
Natural Moonstone Facet
Refraction Index: 1.518 - 1.526
Hardness: 6.0 - 6.7
Specific Gravity: 2.56
Species: Feldspar
Treatment: None
Care: Avoid harsh chemicals and never clean with ultrasonically or steam clean.
Safe to fire in Metal Clay.
Test Results: Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Fire in Carbon.
4 mm
Regular price 4 pieces $6.00
Sale price no longer available
5 mm
Regular price 2 pieces $5.00
Sale price no longer available
10 mm
Regular price $16.00 each
Sale price no longer available
12 mm
Regular price $29.00 each
Sale price no longer available
Rainbow Moonstone Facet Round
5 mm
Regular price 2 pieces $8.00
Sale price no longer available
6 mm
Regular price $6.00 each
Sale price no longer available
8 mm
Regular price $13.00 each
Sale price no longer available
10 mm
Regular price $30.00 each
Sale price no longer available
Black Spinel Facet Round
Natural Black Spinel
Mohs hardness: 7.5 - 8
Refractive index: 1.719
Specific gravity: 3.6 - 4.1
Treatment: None
Heat Sensitive: None
Care: Usually safe for ultrasonic and steam cleaning
Metal Clay, safe to fire at all temperatures and methods.
Test results; Silver 1200F-1HR-OK, Silver 1475F-1HR-OK, Silver 1650F-2HR OK, Bronze 1525F-2HR-OK, Copper 1778F-30min-OK
4 mm
Regular price 4 pieces $5.00
Sale price no longer available
5 mm
Regular price 2 pieces $6.00
Sale price no longer available
6 mm
Regular price 2 pieces $7.00
Sale price no longer available
7 mm
Regular price $5.00 each
Sale price no longer available
8 mm
Regular price $6.00 each
Sale price no longer available
10 mm
Regular price $11.00 each
Sale price no longer available
Copper Pink Tourmaline Facet Round
Natural Tourmaline
3 mm
Regular price $5.00 each
Sale price no longer available
3.5 mm
Regular price $7.00 each
Sale price no longer available
4 mm
Regular price $10.00 each
Sale price no longer available
5 mm
out of stock
out of stock
Peridot Round Cab
Natural Peridot Cabochons
Refraction Index: 1.635
Hardness: 7.0
Specific Gravity: 3.3 - 3.4
Species: Olivine
Treatment: None
Heat Sensitivity: None
Care: Wash with soapy water. Avoid harsh detergents. Never clean ultrasonically or steam clean.
Metal Clay, safe to fire.
Firing test results; Silver 1200F-1HR-OK, Silver 1475F-1HR metallic, Silver 1650F-2HR Metallic, Bronze 1525F-2HR OK, Copper 1778F-30min OK. Safe to torch fire. Fire in carbon to avoid metallic coating
2 mm
Regular price 6 pieces $5.00
Sale price no longer available
3 mm
Regular price 6 pieces $7.00
Sale price no longer available
4 mm
Regular price 4 pieces $6.00
Sale price no longer available
5 mm
Regular price 2 pieces $8.00
Sale price no longer available
6 mm
Regular price $12.00 each
Sale price no longer available
7 mm
Regular price $30.00 each
Sale price no longer available
8 mm
Regular price $89.00 each
Sale price no longer available
Moonstone Cab Round
Natural Moonstone Cabochon
Refraction Index: 1.518 - 1.526
Hardness: 6.0 - 6.7
Specific Gravity: 2.56
Species: Feldspar
Treatment: None
Care: Avoid harsh chemicals and never clean with ultrasonically or steam clean.
Safe to fire in Metal Clay.
Test Results: Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Fire in Carbon.
2 mm
Regular price 6 pieces $6.00
Sale price no longer available
3 mm
Regular price 6 pieces $7.00
Sale price no longer available
5 mm
Regular price 4 pieces $9.00
Sale price no longer available
6 mm
Regular price 2 pieces $8.00
Sale price no longer available
7 mm
Regular price 2 pieces $11.00
Sale price no longer available
8 mm
Regular price $9.00 each
Sale price no longer available
10 mm
Regular price $20.00 each
Sale price no longer available
12 mm
Regular price $40.00 each
Sale price no longer available
Orissa Garnet Cab Round
Natural Orissa Garnet Cabochon
Refraction Index: 1.73-1.76
Hardness: 7.0-7.5
Specific Gravity: 3.65-3.87
Treatment: None
Care: Wash with soapy water. Avoid harsh detergents. Never clean ultrasonically or steam clean.
Metal Clay, safe to fire.
Test results Silver 1200F-1HR OK, Silver 1475F-1HR Metallic, Silver 1650F-2HR Metallic, Bronze 1525F-2HR OK, and Copper 1778F-30 min OK, Fire in carbon to avoid metallic coating.
2 mm
Regular price 12 pieces $8.00
Sale price no longer available
3 mm
Regular price 6 pieces $7.00
Sale price no longer available
4 mm
Regular price 2 pieces $5.00
Sale price no longer available
5 mm
Regular price 2 pieces $9.00
Sale price no longer available
6 mm
Regular price $7.00 each
Sale price no longer available
8 mm
Regular price $25.00 each
Sale price no longer available
10 mm
Regular price $56.00 each
Sale price no longer available
Hessonite Garnet Cab Round
Natural Hessonite Garnet Cabochon
Refraction Index: 1.73-1.76
Hardness: 7.0-7.5
Specific Gravity: 3.65-3.87
Treatment: None
Care: Wash with soapy water. Avoid harsh detergents. Never clean ultrasonically or steam clean.
January birthstone, these cabochon garnets are high quality , well cut. They come in a variety of shapes. Great for jewelry design. These genuine gemstones will help you create beautiful finished cabochon jewelry.
2 mm
Regular price 4 pieces $7.00
Sale price no longer available
3 mm
Regular price 4 pieces $9.00
Sale price no longer available
4 mm
Regular price 2 pieces $8.00
Sale price no longer available
5 mm
Regular price $6.00 each
Sale price no longer available
6 mm
Regular price $10.00 each
Sale price no longer available
8 mm
Regular price $18.00 each
Sale price no longer available
Black Star Diopside Round Cab
Natural Black Star Diopside Cabochon
Refraction Index: 1.66-1.72
Hardness: 5.5
Specific Gravity: 3.29
Species: Calcium Magnesium Silicate
Treatment: None
Natural Black Star Diopside Cabochon
Refraction Index: 1.66-1.72
Hardness: 5.5
Specific Gravity: 3.29
Species: Calcium Magnesium Silicate
Treatment: None
4 mm
Regular price 4 pieces $5.00
Sale price no longer available
5 mm
Regular price 4 pieces $9.00
Sale price no longer available
6 mm
Regular price 2 pieces $7.00
Sale price no longer available
8 mm
Regular price $7.00 each
Sale price no longer available
10 mm
Regular price $15.00 each
Sale price no longer available
12 mm
Regular price $28.00 each
Sale price no longer available
Black Spinel Round Cab
Natural Black Spinel Cabochon
Refraction Index: 1.719
Hardness: 7.5 - 8.0
Specific Gravity: 3.6 - 4.1
Treatment: None
Heat Sensitive: None
Care: Usually safe for ultrasonic and steam cleaning
Metal Clay, safe to fire.
Test results; Silver 1200F-1HR-OK, Silver 1475F-1HR-OK, Silver 1650F-2HR OK, Bronze 1525F-2HR-OK, Copper 1778F-30min-OK
3 mm
Regular price 6 pieces $5.00
Sale price no longer available
4 mm
Regular price 6 pieces $6.00
Sale price no longer available
5 mm
Regular price 4 pieces $8.00
Sale price no longer available
6 mm
Regular price 2 pieces $6.00
Sale price no longer available
8 mm
Regular price 2 pieces $9.00
Sale price no longer available
10 mm
Regular price $8.00 each
Sale price no longer available
12 mm
Regular price $15.00 each
Sale price no longer available
Citrine Round Cab
Natural Citrine Cabochons
Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Care: Ultrasonic cleaning is usually safe. Never steam clean.
3 mm
Regular price 6 pieces $9.00
Sale price no longer available
4 mm
Regular price 4 pieces $7.00
Sale price no longer available
5 mm
Regular price 2 pieces $8.00
Sale price no longer available
6 mm
Regular price $6.00 each
Sale price no longer available
7 mm
Regular price $9.00 each
Sale price no longer available
8 mm
Regular price $14.00 each
Sale price no longer available
10 mm
Regular price $24.00 each
Sale price no longer available
12 mm
Regular price $44.00 each
Sale price no longer available
Sunstone Round Cab
Natural Sunstone Cabochon
Refractive Index: 1.560 - 1.572
Hardness: 6 - 6.5
Specific Gravity: 2.69 - 2.72
Treatment: None
Care: Avoid harsh chemicals and never clean with ultrasonically or steam clean.
Safe to fire in metal clay
1200 degrees for 30 Minutes
3 mm
Regular price 2 pieces $6.00
Sale price no longer available
4 mm
Regular price 2 pieces $7.00
Sale price no longer available
5 mm
Regular price 2 pieces $9.00
Sale price no longer available
Honey quartz Round Cab
Natural Honey Quartz Cabochon
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Treatment: Irradiated and heat-treated
Care: Wash with warm, soapy water. Avoid harsh detergents. Ultrasonic cleaning is usually safe. Never steam clean.
5 mm
Regular price 2 pieces $7.00
Sale price no longer available
6 mm
Regular price $6.00 each
Sale price no longer available
7 mm
Regular price $9.00 each
Sale price no longer available
8 mm
Regular price $13.00 each
Sale price no longer available
10 mm
Regular price $22.00 each
Sale price no longer available
12 mm
Regular price $42.00 each
Sale price no longer available
Lemon Quartz Cab Round
Natural Lemon Quartz Cabochon
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Treatment: Irradiated and heat-treated
Care: Wash with warm, soapy water. Avoid harsh detergents. Ultrasonic cleaning is usually safe. Never steam clean.
5 mm
Regular price 2 pieces $5.00
Sale price no longer available
7 mm
Regular price $6.00 each
Sale price no longer available
8 mm
Regular price $8.00 each
Sale price no longer available
10 mm
Regular price $17.00 each
Sale price no longer available
12 mm
Regular price $24.00 each
Sale price no longer available
Green Amethyst Round Cab
Natural Green Amethyst Cabochon
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Treatment: Irradiated and heat-treated
Care: Wash with warm, soapy water. Avoid harsh detergents. Ultrasonic cleaning is usually safe. Never steam clean.
6 mm
Regular price 2 pieces $9.00
Sale price no longer available
7 mm
Regular price $7.00 each
Sale price no longer available
8 mm
Regular price $10.00 each
Sale price no longer available
10 mm
Regular price $30.00 each
Sale price no longer available
12 mm
Regular price $49.00 each
Sale price no longer available
Mother of Pearl
Natural Mother of Pearl
5 mm
Regular price 4 pieces $5.00
Sale price no longer available
6 mm
Regular price 4 pieces $7.00
Sale price no longer available
8 mm
Regular price 2 pieces $6.00
Sale price no longer available
10 mm
Regular price 2 pieces $7.00
Sale price no longer available
12 mm
Regular price 2 pieces $8.00
Sale price no longer available
14 mm
Regular price $5.00 each
Sale price no longer available
15 mm
Regular price $7.00 each
Sale price no longer available
Iolite Round Cab
Natural Iolite Cabochons
Refraction Index: 1.522 - 1.578
Hardness: 7 - 7.5
Species: Cordierite
Specific Gravity: 2.53 - 2.78
Treatment: None
Care: Wash with soapy water. Avoid harsh detergents. Never clean ultrasonically or steam clean.
Metal Clay, safe to fire at some temperatures.
Test results; Silver 1200F-1HR-OK, Silver 1475F-1HR a little darker, Silver 1650F-2HR Metallic, Bronze 1525F-2HR OK, Copper 1778F-30min color change to lavender.
3 mm
Regular price 4 pieces $8.00
Sale price no longer available
4 mm
Regular price 2 pieces $8.00
Sale price no longer available
5 mm
Regular price $14.00 each
Sale price no longer available
6 mm
Regular price $17.00 each
Sale price no longer available
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