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QUARTZ
NATURAL
COLOR
Hardness
7 |
|
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QUARTZ CRYSTAL
Quartz 44 grms. 63
x 39 mm. crystal groupe: 29 x 33 mm.
(externally undamaged)
USD 52.00
ref:QUCR44g
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ORDER
Hardness: |
7 |
Specific
Gravity: |
2.65
- 2.91 |
Refractive
Index: |
1.544
- 1.553 |
Chemical
Composition: |
SiO2,
Silicon Dioxide |
Crystal
Structure: |
Trigonal |
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