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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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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 Regular 25 pieces $5.00 25 pieces $2.00 closeout
2.5 mm Regular 25 pieces $10.00 25 pieces $3.00 closeout
3 mm Regular 25 pieces $10.00 25 pieces $3.00 closeout
4 mm sold out sold out
5 mm sold out sold out
6 mm sold out sold out
9 mm Regular 10 pieces $8.00 10 pieces $3.00 closeout
10 mm Regular 10 pieces $9.00 10 pieces $3.00 closeout
11 mm Regular 10 pieces $9.00 10 pieces $3.00 closeout
12 mm Regular 10 pieces $10.00 10 pieces $3.00 closeout
15 mm Regular 6 pieces $8.00 6 pieces $3.00 closeout
16 mm Regular 6 pieces $10.00 6 pieces $3.00 closeout
18 mm Regular 6 pieces $12.00 6 pieces $3.00 closeout
20 mm Regular 4 pieces $9.00 4 pieces $3.00 closeout
22 mm Regular 2 pieces $5.00 2 pieces $2.00 closeout
25 mm Regular 2 pieces $6.00 2 pieces $2.00 closeout



Oval Cab

5 x 3 mm 20 pieces $7.00 20 pieces $2.00 closeout
6 x 4 mm 20 pieces $7.50 20 pieces $2.00 closeout
7 x 5 mm 20 pieces $8.00 20 pieces $2.00 closeout
8 x 6 mm 20 pieces $9.00 20 pieces $3.00 closeout
9 x 7 mm 20 pieces $10.00 20 pieces $3.00 closeout
10 x 8 mm 20 pieces $12.00 20 pieces $4.00 closeout
11 x 9 mm 20 pieces $14.00 20 pieces $4.00 closeout
12 x 10 mm sold out sold out
13 x 11 mm 12 pieces $10.00 12 pieces $3.00 closeout
14 x 12 mm 12 pieces $12.00 12 pieces $4.00 closeout
16 x 12 mm 12 pieces $14.00 12 pieces $5.00 closeout
18 x 13 mm sold out sold out
20 x 15 mm sold out sold out
25 x 18 mm 2 pieces $10.00 2 pieces $3.00 closeout



Marquise Cab

4 x 2 mm 10 pieces $6.00 10 pieces $2.00 Closeout
5 x 2.5 mm 10 pieces $7.00 10 pieces $2.00 Closeout
6 x 3 mm 10 pieces $8.00 10 pieces $2.00 Closeout
7 x 3.5 mm 10 pieces $10.00 10 pieces $3.00 Closeout
8 x 4 mm 6 pieces $7.00 6 pieces $2.00 Closeout
12 x 6 mm 6 pieces $9.00 6 pieces $3.00 Closeout
14 x 7 mm 6 pieces $10.00 6 pieces $3.00 Closeout
15 x 7.5 mm 4 pieces $8.00 4 pieces $2.00 Closeout
18 x 9 mm sold out sold out
26 x 13 mm $10.00 each $4.00 each Closeout



Round Flat Cab No Dome

5 mm 4 pieces $7.50 4 pieces $2.00 Closeout
7 mm sold out sold out
15 mm 2 pieces $10.00 2 pieces $4.00 Closeout
18 mm $7.00 each $2.00 Closeout
20 mm $8.00 each $3.00 Closeout
25 mm $9.00 each $4.00 Closeout
30 mm $10.00 each $4.00 Closeout
35 mm $12.00each $4.00 closeout
11 mm 4 pieces $11.00 4 pieces $4.00 Closeout
13 mm 2 pieces $5.00 2 pieces 3.00 Closeout
14 mm 2 pieces $7.00 2 pieces $4.00 Closeout



Oval Cab Flat no Dome

6 x 4 mm 10 pieces $10.00 10 pieces $4.00 Closeout
7 x 5 mm 10 pieces $11.00 10 pieces $4.00 Closeout
9 x 7 mm 6 pieces $8.00 6 pieces $3.00 Closeout
10 x 8 mm 6 pieces $10.00 6 pieces $4.00 Closeout
11 x 9 mm 4 pieces $6.00 4 pieces $3.00 Closeout
14 x 10 mm 4 pieces $10.00 4 pieces $4.00 Closeout
14 x 12 mm 2 pieces $6.00 2 pieces $2.00 Closeout
16 x 12 mm 2 pieces $8.00 2 pieces $3.00 Closeout
18 x 13 mm $5.00 each $2.00 Closeout
20 x 15 mm $6.00 each $3.00 Closeout
25 x 18 mm sold out sold out
30 x 20 mm sold out sold out
12 x 6 mm 6 pieces $8.00 6 pieces $3.00 Closeout
12 x 8 mm 4 pieces $6.00 4 pieces $2.00 Closeout
13 x 8 mm 4 pieces $10.00 4 pieces $4.00 Closeout
$2.00 Closeout



Rectangle Flat No Dome Bevel Buff Top Flat

6 x 4 mm 6 pieces $6.00 6 pieces $2.00 Closeout
7 x 5 mm 6 pieces $7.00 6 pieces $3.00 Closeout
8 x 6 mm 6 pieces $8.00 6 pieces $3.00 Closeout
9 x 7 mm 6 pieces $10.00 6 pieces $4.00 Closeout
10 x 8 mm 4 pieces $10.00 4 pieces $4.00 Closeout
11 x 9 mm 4 pieces $12.00 4 pieces $5.00 Closeout
13 x 11 mm 2 pieces $9.00 2 pieces $3.00 Closeout
14 x 12 mm 2 pieces $12.00 2 pieces $5.00 Closeout
16 x 12 mm $7.00 each $3.00 Closeout
18 x 13 mm $8.00 each $3.00 Closeout
8 x 4 mm 6 pieces $8.00 6 pieces $3.00 Closeout



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
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 2 pieces $3.00 Closeout



Square Flat No Dome

4 x 4 mm 6 pieces $6.00 6 pieces $2.00 Closeout
5 x 5 mm 6 pieces $9.00 6 pieces $3.00 Closeout
6 x 6 mm 6 pieces $10.00 6 pieces $3.00 Closeout
7 x 7 mm 4 pieces $6.00 4 pieces $2.00 Closeout
8 x 8 mm 4 pieces $7.00 4 pieces $2.00 Closeout
9 x 9 mm 4 pieces $8.00 4 pieces $3.00 Closeout
11 x 11 mm 4 pieces $10.00 4 pieces $3.00 Closeout
12 x 12 mm 4 pieces $12.00 4 pieces $4.00 Closeout
14 x 14 mm 4 pieces $16.00 4 pieces $5.00 Closeout
15 x 15 mm 2 pieces $10.00 2 pieces $3.00 Closeout

 
 
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