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Quartz
Quartz

Jadeite
Jadeite



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1 Physical Properties
1.2 Tenacity
Brittle
Not Available
1.4 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.5 Specific Gravity
2.653.28-3.38
Amber
1 7.18
1.9 Fracture
Conchoidal, Conchoidal, Brittle, Gems
Splintery, UnevenArthur Thomas, Difficult, Fibrous
1.11 Cleavage
{0110} Indistinct
Good on [110]
1.12 Mohs Hardness
76.5-7
Amber
2 10
1.15 Chemical Composition
SiO2
NaAlSi 2O 6Ulrich Henn and Claudio C.