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Gem Resources
PO Box 62006
Minneapolis, MN 55426

Phone: (612) 664-0252
Toll-Free: (800) 588-8515
E-Mail:
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Lab Faceted Gemstones

January 2020

Garnet Rose Cut Round

Natural Red Pyrope Garnet

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.

4 mm	Regular price 6 pieces $6.00	Sale price 12 pieces $7.00
5 mm	Regular price 6 pieces $7.00	Sale price 12 pieces $8.00
6 mm	Regular price 4 pieces $8.00	Sale price 8 pieces $9.00
8 mm	Regular price 2 pieces $10.00	Sale price 4 pieces $11.00
10 mm	Regular price $7.00 each	Sale price 2 pieces $8.00
12 mm	Regular price $16.00 each	Sale price 2 pieces $17.00

Garnet Rose Cut Pear

atural Red Pyrope Garnet

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.

7 x 5 mm	Regular price 4 pieces $6.00	Sale price 8 pieces $7.00
8 x 5 mm	Regular price 4 pieces $7.00	Sale price 8 pieces $8.00
9 x 6 mm	Regular price 4 pieces $9.00	Sale price 8 pieces $10.00
10 x 7 mm	Regular price 2 pieces $8.00	Sale price 4 pieces $9.00
12 x 8 mm	Regular price $10.00 each	Sale price 2 pieces $11.00
14 x 9 mm	Regular price $17.00 each	Sale price $9.00 each
15 x 10 mm	Regular price $22.00 each	Sale price $11.00 each
18 x 13 mm	Regular price $69.00 each	Sale price $35.00 each

Closeout Garnet Square Rose Cut

Natural Red Pyrope Garnet

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.

5 x 5 mm	Regular 2 pieces $5.00	Closeout 6 pieces $5.00
6 x 6 mm	Regular 2 pieces $7.00	Closeout 6 pieces $8.00
8 x 8 mm	Regular $7.00 each	Closeout 3 pieces $7.00
10 x 10 mm	Regular $18.00 each	Closeout $6.00 each
12 x 12 mm	Regular $40.00 each	Closeout $10.00 each

Amethyst Rose Cut Round

Natural Amethyst

Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Treatment: None
Care: Usually safe in ultrasonic cleaning. Never steam clean.

4 mm	Regular price 4 pieces $7.00	Sale price 8 pieces $8.00
5 mm	Regular price 2 pieces $6.00	Sale price 4 pieces $7.00
6 mm	Regular price 2 pieces $10.00	Sale price 4 pieces $11.00
10 mm	Regular price $20.00 each	Sale price $11.00 each
12 mm	Regular price $36.00 each	Sale price $18.00 each
15 mm	Regular price $70.00 each	Sale price $35.00 each

Amethyst Rose Cut Pear

Natural Amethyst

Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Treatment: None
Care: Usually safe in ultrasonic cleaning. Never steam clean.

7 x 5 mm	Regular price 2 pieces $5.00	Sale price 4 pieces $6.00
8 x 5 mm	Regular price $5.00 each	Sale price 2 pieces $6.00
9 x 6 mm	Regular price $6.00 each	Sale price 2 pieces $7.00
10 x 7 mm	Regular price $8.00 each	Sale price 2 pieces $9.00
12 x 8 mm	Regular price $12.00 each	Sale price 2 pieces $13.00
13 x 9 mm	Regular price $23.00 each	Sale price $12.00 each
15 x 10 mm	Regular price $30.00 each	Sale price $15.00 each
18 x 13 mm	Regular price $50.00 each	Sale price $25.00 each

Closeout Amethyst Rose Cut Square

Natural Amethyst

Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz
Treatment: None
Care: Usually safe in ultrasonic cleaning. Never steam clean.

5 x 5 mm	Regular price 2 pieces $8.00	Closeout 6 pieces $8.00
6 x 6 mm	Regular price $7.00 each	Closeout 3 pieces $7.00
8 x 8 mm	Regular price $16.00 each	Closeout $5.00 each
10 x 10 mm	Regular price $23.00 each	Closeout $7.00 each
12 x 12 mm	Regular price $30.00 each	Closeout $10.00 each

Green Adventurine Rose Cut Round

Natural Adventurine

Mohs hardness: 7
Species: Quartzite
Refractive index: 1.54-1.55
Specific gravity: 2.63-2.65
Treatment: None

Care: Clean with warm, soapy water. Ultrasonic and steam cleaning are usually safe.

6 mm	Regular price 4 pieces $8.00	Sale price 8 pieces $9.00
8 mm	Regular price $5.00 each	Sale price 2 pieces $6.00
10 mm	Regular price $8.00 each	Sale price 2 pieces $9.00
12 mm	Regular price $13.00 each	Sale price $7.00 each
15 mm	Regular price $24.00 each	Sale price $12.00 each

Iolite Rose Cut Round

Natural Iolite

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

4 mm	Regular price 2 pieces $6.00	Sale price 4 pieces $7.00
5 mm	Regular price $10.00 each	Sale price 2 pieces $11.00

Peridot Rose Cut Round

Natural Peridot

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 firing test results; Silver 1200F-1HR-OK, Silver 1475F-1HR metallic, Silver 1650F-2HR Metallic, Bronze 1525F-2HR OK, Copper 1778F-30min OK. Fire in carbon to avoid metallic coating

4 mm	Regular price 2 pieces $7.00	Sale price 4 pieces $8.00
5 mm	Regular price $8.00 each	Sale price 2 pieces $9.00
6 mm	Regular price $12.00 each	Sale price 2 pieces $13.00

Honey Quartz Rose Cut Round

Natural Honey Quartz

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 4 pieces $10.00
7 mm	Regular price $6.00 each	Sale price 2 pieces $7.00
8 mm	Regular price $8.00 each	Sale price 2 pieces $9.00
10 mm	Regular price $15.00 each	Sale price $8.00 each
12 mm	Regular price $30.00 each	Sale price $15.00 each

Lapis Rose Cut Round

Natural Lapis

Refraction Index: 1.50-1.55
Hardness: 5-6
Specific Gravity: 2.38-3.00
Treatment: None, polished with paraffin wax
Care: Wash with mild soap and water. Never steam or ultrasonically clean.

8 mm	Regular price $9.00 each	Sale price 2 pieces $10.00
10 mm	Regular price $10.00 each	Sale price $6.00 each
12 mm	Regular price $13.00 each	Sale price $7.00 each

Moonstone Rose Cut Round

Natural Moonstone

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.

5 mm	Regular price 2 pieces $6.00	Sale price 4 pieces $7.00
6 mm	Regular price 2 pieces $9.00	Sale price 4 pieces $10.00
8 mm	Regular price $10.00 each	Sale price 2 pieces $11.00
10 mm	Regular price $17.00 each	Sale price $8.00 each
12 mm	Regular price $29.00 each	Sale price $15.00 each

Rainbow Moonstone Checkerboard Top Round

Some inclusions
Metal Clay firing test results; Silver 1200F-1HR-OK, Silver 1475F-1HR-OK, Silver 1650F-2HR Iridescent Blue, Bronze 1525F-2HR-OK, Copper 1778F-30min-More Iridescent. Fire in carbon.

4 mm	Regular price 2 pieces $6.00	Sale price 4 pieces $7.00
5 mm	Regular price $6.00 each	Sale price 2 pieces $7.00
6 mm	Regular price $9.00 each	Sale price 2 pieces $10.00
8 mm	Regular price $21.00 each	Sale price $10.00 each
10 mm	Regular price $40.00 each	Sale price $20.00 each
12 mm	Regular price $70.00 each	Sale price $35.00 each

Carnelian Rose Cut Round

Natural Carnelian

Color: Translucent 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	Regular price 6 pieces $7.00	Sale price 12 pieces $8.00
6 mm	Regular price 4 pieces $8.00	Sale price 8 pieces $9.00
8 mm	Regular price 2 pieces $10.00	Sale price 4 pieces $11.00
10 mm	Regular price $13.00 each	Sale price 2 pieces $14.00
12 mm	Regular price $25.00 each	Sale price $13.00 each
15 mm	Regular price $47.00 each	Sale price $27.00 each

Blue Chalcedony Rose Cut Round

Natural Blue Chalcedony

Hardness: 6.5 - 7
Species: Quartz
Specific Gravity: 2.58 - 2.64
Refractive Index: 1.530 - 1.539
Treatment: None

Care: Usually safe for ultrasonic and steam cleaning.

4 mm	Regular price 4 pieces $6.00	Sale price 8 pieces $7.00
5 mm	Regular price 2 pieces $5.00	Sale price 4 pieces $6.00
6 mm	Regular price 2 pieces $6.00	Sale price 4 pieces $7.00
8 mm	Regular price $7.00 each	Sale price 2 pieces $8.00
10 mm	Regular price $12.00 each	Sale price 2 pieces $13.00
12 mm	Regular price $20.00 each	Sale price $11.00 each

Black Spinel Rose Cut Round

Natural Black Spinel

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

4 mm	Regular price 6 pieces $7.00	Sale price 12 pieces $8.00
5 mm	Regular price 6 pieces $8.00	Sale price 12 pieces $9.00
6 mm	Regular price 4 pieces $8.00	Sale price 8 pieces $9.00
8 mm	Regular price 2 pieces $9.00	Sale price 4 pieces $10.00
10 mm	Regular price $8.00 each	Sale price 2 pieces $9.00
12 mm	Regular price $13.00 each	Sale price 2 pieces $14.00

Black Spinel Rose Cut Oval

Natural Black Spinel

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

7 x 5 mm	Regular price 4 pieces $8.00	Sale price 8 pieces $9.00
8 x 6 mm	Regular price 2 pieces $6.00	Sale price 4 pieces $7.00
10 x 8 mm	Regular price $6.00 each	Sale price 2 pieces $7.00
12 x 10 mm	Regular price $10.00 each	Sale price 2 pieces $11.00
14 x 10 mm	Regular price $14.00 each	Sale price $7.00 each
16 x 12 mm	Regular price $20.00 each	Sale price $10.00 each

Smoky Quartz Rose Cut Round

Natural Smoky Quartz

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.

4 mm	Regular price 6 pieces $6.00	Sale price 12 pieces $7.00
5 mm	Regular price 6 pieces $7.00	Sale price 12 pieces $8.00
6 mm	Regular price 4 pieces $7.00	Sale price 8 pieces $8.00
8 mm	Regular price 2 pieces $8.00	Sale price 4 pieces $9.00
10 mm	Regular price $8.00 each	Sale price 2 pieces $9.00
12 mm	Regular price $9.00 each	Sale price 2 pieces $10.00
15 mm	Regular price $20.00 each	Sale price $11.00 each

Smoky Quartz Rose Cut Oval

Natural Smoky Quartz

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.

7 x 5 mm	Regular price 4 pieces $8.00	Sale price 8 pieces $9.00
8 x 6 mm	Regular price 2 pieces $8.00	Sale price 4 pieces $9.00
10 x 8 mm	Regular price 2 pieces $10.00	Sale price 4 pieces $11.00
12 x 10 mm	Regular price $10.00 each	Sale price 2 pieces $11.00
14 x 10 mm	Regular price $14.00 each	Sale price 2 pieces $15.00
16 x 12 mm	Regular price $16.00 each	Sale price $9.00 each
18 x 13 mm	Regular price $21.00 each	Sale price $10.00 each

Closeout Clear Quartz Rose Cut Round

Natural Clear Quartz

Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz

Care: Ultrasonic cleaning is usually safe. Never steam clean.

5 mm	Regular 6 pieces $7.00	Closeout 12 pieces $5.00
6 mm	Regular 2 pieces $5.00	Closeout 6 pieces $5.00
8 mm	Regular $5.00 each	Closeout 6 pieces $7.00
10 mm	Regular $9.00 each	Closeout 2 pieces $6.00
12 mm	Regular price $13.00 each	Closeout 2 pieces $7.00
15 mm	Regular $26.00 each	Closeout $7.00 each

Closeout Clear Quartz Rose Cut Oval

Natural Clear Quartz

Refraction Index: 1.544-1.553
Hardness: 7
Specific Gravity: 2.66
Species: Quartz

Care: Ultrasonic cleaning is usually safe. Never steam clean.

7 x 5 mm	Regular 4 pieces $6.00	Closeout 12 pieces $5.00
8 x 6 mm	Regular 4 pieces $8.00	Closeout 12 pieces $7.00
10 x 8 mm	Regular 2 pieces $9.00	Closeout 6 pieces $8.00
12 x 10 mm	Regular $9.00 each	Closeout 3 pieces $9.00
14 x 10 mm	Regular $10.00 each	Closeout 3 pieces $10.00
16 x 12 mm	Regular $16.00 each	Closeout $5.00 each
18 x 13 mm	Regular $20.00 each	Closeout $7.00 each

Closeout Red Tiger Eye Checkerboard Top

15 mm

Regular $8.00 each

Closeout 4 pieces $9.00

Closeout Gold Sheen Obsidian Round Checkerboard Top

16 mm

Regular price $9.00 each

Closeout 4 pieces $10.00

Closeout Lab Green Garnet YAG

Metal Clay, safe to fire.
Test Results, Silver 1200F-1HR, Silver 1475F-1HR, Bronze 1525F-2HR, Copper 1778F-30min. Safe to use torch and safe to use carbon.

10 carats, 2 to 5 pieces, assorted shapes

Closeout

$15.00

Closeout Opal Doublet

10 carats, assorted shapes

Closeout

$15.00

Closeout Oregon Sunstone Facet

2 carats, 3 to 5 pieces

Closeout

$15.00

Closeout Black to Dark Green Tourmaline Oval

5 carats

Closeout

$10.00

Closeout Black to Dark Green Tourmaline Hearts

6 mm approximate size

Closeout

2 pieces $6.00

Closeout Round Topaz Facet

Assorted Color Shades and sizes

London 10 carats	Closeout	$10.00
Swiss & Sky Blue 10 carats	Closeout	$10.00
White 10 carats	Closeout	$10.00
Pink 10 carats	Closeout	$10.00

Closeout Medium Amethyst Round Facet

2.5 mm	Regular price 10 pieces $10.00	10 pieces $3.00
3 mm	Regular price 10 pieces $12.00	10 pieces $4.00
3.5 mm	Regular 10 pieces $15.00	10 pieces $5.00
7 mm	Regular price $5.00 each	3 pieces $5.00
9 mm	Regular price $10.00 each	$3.00 each
10 mm	Regular price $15.00 each	$5.00 each
11 mm	Regular price $18.00 each	$6.00 each