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Chalcedony
Chalcedony
☒

Color change garnet
Color change garnet
☒



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Chalcedony
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Color change garnet
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
2.55-2.70
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
-
-
-
-9999
-
None
-9999
Mg3Al2(SiO4)3