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Heliotrope
Heliotrope

Plumbogummite
Plumbogummite



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Heliotrope
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Plumbogummite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.61
-
None
6.5-7
SiO2
 
Brittle
Soluble
-
4.014
Uneven, Conchoidal
None
4-5
PbAl3(PO4)(SO4)(OH)6