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Gemstones
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Quartz
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Crocoite
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Crocoite
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Summary
Astrology
Physical Properties
Optical Properties
Benefits
All
Physical Properties
Tenacity
Solubility
Durability
Specific Gravity
Fracture
Cleavage
Mohs Hardness
Chemical Composition
Brittle
-
-
2.65
Conchoidal
{0110} Indistinct
7
SiO
2
-
-
-
5.90-6.10
Conchoidal
{110} Distinct, {001} Indistinct, {100} Indistinct
2.5-3
PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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