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Piemontite
Piemontite
☒

Apophyllite KF
Apophyllite KF
☒



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Piemontite
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Apophyllite KF
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)
 
Brittle
-
-
2.33-2.37
Uneven
Perfect on {001}, imperfect on {110}
4.5-5
(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Compare Red Gemstones

Red Gemstones

Carnallite
Carnallite
Bornite
Bornite
Bastnasite
Bastnasite
Apophyllite KF
Nickeline
Apophyllite KF Vs Nickeline
Apophyllite KF
Polyhalite
Apophyllite KF Vs Polyhalite
Apophyllite KF
Vanadinite
Apophyllite KF Vs Vanadinite

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