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Gem Resources International
Gem Resources
PO Box 62006
Minneapolis, MN 55426


Phone/Text:(612)327-7374
E-Mail: gri@gemresources.com
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News & Specials

February Monthly Specials
Up to 50% off normal prices.
Lab Created Color Assortments, CZ, Ruby Round Facets, Spinel, Zircon, Cabochons and checkerboards!

Metal clay heating tests.
Shop Talk Gem Info

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Black Spinel

Natural Black Spinel

Hard and high polished a great substitute for black diamonds.

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

Beliefs associated with spinel are protective stones that assist in re-establishing relationships and resolving issues, help the wearer to put their ego aside in devotion to another person.




Round Facet

2 mm 6 pieces $5.00 12 pieces $8.00
3 mm 6 pieces $6.00 12 pieces $10.00
4 mm 4 pieces $6.00 8 pieces $10.00
5 mm 2 pieces $6.00 4 pieces $10.00
6 mm out of stock out of stock
7 mm 2 pieces $10.00 4 pieces $18.00
8 mm $6.00 each 2 pieces $10.00
10 mm $11.00 each 2 pieces $19.00



Oval Facet

8 x 6 mm $5.00 each 2 pieces $8.00
10 x 8 mm $6.00 each 2 pieces $10.00
12 x 10 mm $7.00 each 2 pieces $12.00

 
 
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