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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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December Specials Up to 50% off price
Carnelian, Lab Corundum Cabochons, Zirconia, Black Onyx & more!

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Black Onyx

Natural Black Onyx Cabochons

Hardness:  7
Specific Gravity:  2.66
Species: Quartz, Opaque Chalcedony
Treatment: Dyed
Care: Avoid heat and harsh chemicals. Ultrasonic and steam cleaning are usually safe.

Black Onyx is a variety of Chalcedony
Black Onyx is believed to help concentration and help change bad habits.
More Information



Round Cab

2 mm 25 pieces $10.00 50 pieces $17.00
2.5 mm 25 pieces $10.00 50 pieces $17.00
3 mm 25 pieces $6.00 50 pieces $11.00
3.5 mm 25 pieces $6.00 50 pieces $11.00
4 mm 25 pieces $7.00 50 pieces $12.00
4.5 mm 25 pieces $8.00 50 pieces $14.00
5 mm 25 pieces $8.00 50 pieces $14.00
6 mm 25 pieces $9.00 50 pieces $16.00
7 mm 25 pieces $11.00 50 pieces $19.00
8 mm 25 pieces $13.00 50 pieces $22.00
9 mm 25 pieces $16.00 50 pieces $27.00
10 mm 25 pieces $19.00 50 pieces $32.00
11 mm 10 pieces $9.00 20 pieces $15.00
12 mm 10 pieces $10.00 20 pieces $17.00
15 mm 6 pieces $8.00 12 pieces $14.00
16 mm 6 pieces $10.00 12 pieces $17.00
18 mm 6 pieces $12.00 12 pieces $21.00
20 mm 4 pieces $9.00 8 pieces $16.00
22 mm 2 pieces $5.00 4 pieces $8.00
25 mm 2 pieces $6.00 4 pieces $10.00



Oval Cab

5 x 3 mm 20 pieces $7.00 40 pieces $12.00
6 x 4 mm 20 pieces $7.50 40 pieces $13.00
7 x 5 mm 20 pieces $8.00 40 pieces $14.00
8 x 6 mm 20 pieces $9.00 40 pieces $16.00
9 x 7 mm 20 pieces $10.00 40 pieces $18.00
10 x 8 mm 20 pieces $12.00 40 pieces $21.00
11 x 9 mm 20 pieces $14.00 40 pieces $24.00
12 x 10 mm 12 pieces $9.00 24 pieces $16.00
13 x 11 mm 12 pieces $10.00 24 pieces $18.00
14 x 10 mm 12 pieces $11.00 24 pieces $20.00
14 x 12 mm 12 pieces $12.00 24 pieces $22.00
15 x 12 mm 12 pieces $13.00 24 pieces $22.00
16 x 12 mm 12 pieces $14.00 24 pieces $25.00
18 x 13 mm 6 pieces $10.00 12 pieces $18.00
20 x 15 mm 4 pieces $8.00 8 pieces $14.00
25 x 18 mm 2 pieces $10.00 4 pieces $18.00



Marquise Cab

4 x 2 mm 10 pieces $6.00 20 pieces $10.00
5 x 2.5 mm 10 pieces $7.00 20 pieces $12.00
6 x 3 mm 10 pieces $8.00 20 pieces $14.00
7 x 3.5 mm 10 pieces $10.00 20 pieces $18.00
8 x 4 mm 6 pieces $7.00 12 pieces $12.00
10 x 5 mm 6 pieces $8.00 12 pieces $14.00
12 x 6 mm 6 pieces $9.00 12 pieces $16.00
14 x 7 mm 6 pieces $10.00 12 pieces $18.00
15 x 7.5 mm 4 pieces $8.00 8 pieces $14.00
16 x 8 mm 4 pieces $9.00 8 pieces $16.00
18 x 9 mm 4 pieces $10.00 8 pieces $18.00
20 x 10 mm 4 pieces $12.00 8 pieces $20.00



Faceted Round

3 mm 6 pieces $6.00 12 pieces $11.00
4 mm 6 pieces $9.00 12 pieces $15.00
5 mm 4 pieces $8.00 8 pieces $14.00
6 mm 4 pieces $9.00 8 pieces $16.00
7 mm 2 pieces $7.00 4 pieces $12.00
8 mm 2 pieces $9.00 4 pieces $16.00
9 mm $6.00 Each 2 pieces $11.00
10 mm $7.00 Each 2 pieces $12.00
12 mm $14.00 Each 2 pieces $24.00
15 mm $29.00 Each 2 pieces $50.00
20 mm $60.00 each 2 pieces $100.00



Faceted Oval

6 x 4 mm 4 pieces $9.00 8 pieces $15.00
7 x 5 mm 2 pieces $5.00 4 pieces $9.00
8 x 6 mm 2 pieces $7.00 4 pieces $12.00
10 x 8 mm 2 pieces $12.00 4 pieces $20.00
12 x 10 mm $12.00 each 2 pieces $20.00
14 x 12 mm $18.00 each 2 pieces $32.00
16 x 12 mm $21.00 each 2 pieces $38.00
18 x 13 mm $23.00 each 2 pieces $40.00
20 x 15 mm $50.00 2 pieces $80.00



Round Natural Single Bevel Buff Top (SBBT) Flat

5 mm 4 pieces $7.50 8 pieces $12.50
6 mm 4 pieces $8.00 8 pieces $14.00
7 mm 4 pieces $8.50 8 pieces $14.50
8 mm 4 pieces $9.00 8 pieces $16.00
10 mm 4 pieces $10.00 8 pieces $18.00
15 mm 2 pieces $10.00 4 pieces $18.00
18 mm $7.00 each 2 pieces $12.00
20 mm $8.00 each 2 pieces $14.00
25 mm $9.00 each 2 pieces $16.00
30 mm $10.00 each 2 pieces $18.00



Oval Natural Single Bevel Buff Top (SBBT) Flat

5 x 3 mm 10 pieces $9.00 20 pieces $16.00
6 x 4 mm 10 pieces $10.00 20 pieces $18.00
7 x 5 mm 10 pieces $11.00 20 pieces $20.00
9 x 7 mm 6 pieces $8.00 12 pieces $14.00
10 x 8 mm 6 pieces $10.00 12 pieces $18.00
11 x 9 mm 4 pieces $6.00 8 pieces $10.00
12 x 10 mm 4 pieces $7.00 8 pieces $12.00
13 x 11 mm 4 pieces $8.00 8 pieces $14.00
14 x 10 mm 4 pieces $10.00 8 pieces $18.00
14 x 12 mm 2 pieces $6.00 4 pieces $10.00
16 x 12 mm 2 pieces $8.00 4 pieces $14.00
18 x 13 mm $5.00 each 2 pieces $8.00
20 x 15 mm $6.00 each 2 pieces $10.00
25 x 18 mm $10.00 each 2 pieces $18.00
30 x 20 mm $12.00 each 2 pieces $20.00
40 x 30 mm $15.00 each 2 pieces $25.00
48 x 35 mm $25.00 each 2 pieces $45.00



Rectangle Natural Single Bevel Buff Top (SBBT) Flat

6 x 4 mm 6 pieces $6.00 12 pieces $10.00
7 x 5 mm 6 pieces $7.00 12 pieces $12.00
8 x 6 mm 6 pieces $8.00 12 pieces $14.00
9 x 7 mm 6 pieces $10.00 12 pieces $18.00
10 x 8 mm 4 pieces $10.00 8 pieces $18.00
11 x 9 mm 4 pieces $12.00 8 pieces $20.00
12 x 10 mm 4 pieces $16.00 8 pieces $28.00
13 x 11 mm 4 pieces $18.00 8 pieces $30.00
14 x 10 mm 2 pieces $10.00 4 pieces $18.00
14 x 12 mm 2 pieces $12.00 4 pieces $20.00
16 x 12 mm $7.00 each 2 pieces $12.00
18 x 13 mm $8.00 each 2 pieces $14.00
25 x 18 mm $12.00 each 2 pieces $20.00



Oval Drilled Natural Flat Top Single Bevel (FTSB) Flat

8 x 6 mm 4 pieces $6.00 8 pieces $11.00
9 x 7 mm 4 pieces $8.00 8 pieces $14.00
10 x 8 mm 4 pieces $10.00 8 pieces $18.00
11 x 9 mm 4 pieces $14.00 8 pieces $24.00
12 x 6 mm 2 pieces $8.00 4 pieces $14.00
14 x 10 mm 2 pieces $9.00 4 pieces $16.00
14 x 12 mm 2 pieces $10.00 4 pieces $18.00
15 x 9 mm 2 pieces $8.00 4 pieces $13.00
16 x 12 mm 2 pieces $12.00 4 pieces $20.00
18 x 13 mm $7.00 each 2 pieces $12.00
20 x 15 mm $8.00 each 2 pieces $14.00
25 x 18 mm $9.00 each 2 pieces $16.00
30 x 22 mm $10.00 each 2 pieces $18.00



Long Rectangle Black Onyx Flat

13 x 2.5 mm 2 pieces $8.00 4 pieces $14.00
15 x 3 mm 2 pieces $9.00 4 pieces $16.00
17 x 3 mm $5.00 2 pieces $8.00



Square Black Onyx SBBT Flat

4 x 4 mm 6 pieces $6.00 12 pieces $10.00
5 x 5 mm 6 pieces $9.00 12 pieces $16.00
6 x 6 mm 6 pieces $10.00 12 pieces $12.00
7 x 7 mm 4 pieces $6.00 8 pieces $10.00
8 x 8 mm 4 pieces $7.00 8 pieces $12.00
9 x 9 mm 4 pieces $8.00 8 pieces $14.00
10 x 10 mm 4 pieces $9.00 8 pieces $16.00
11 x 11 mm 4 pieces $10.00 8 pieces $18.00
12 x 12 mm 4 pieces $12.00 8 pieces $20.00
13 x13 mm 4 pieces $15.00 8 pieces $25.00
14 x 14 mm 4 pieces $16.00 8 pieces $28.00
15 x 15 mm 2 pieces $10.00 4 pieces $18.00
16 x 16 mm 2 pieces $12.00 4 pieces $20.00
17 x 17 mm 2 pieces $14.00 4 pieces $22.00
18 x 18 mm $8.00 each 2 pieces $14.00
19 x 19 mm $9.00 each 2 pieces $16.00
20 x 20 mm $10.00 each 2 pieces $18.00

 
 
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