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Piemontite
Piemontite
☒

Tugtupite
Tugtupite
☒



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Piemontite
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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)
 
-
-
-
2.30-2.60
Uneven, Conchoidal
{111} Imperfect
5.5-6
Na 4AlBeSi 4O 12ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Compare Red Gemstones

Red Gemstones

Carnallite
Carnallite
Bornite
Bornite
Bastnasite
Bastnasite
Tugtupite
Nickeline
Tugtupite Vs Nickeline
Tugtupite
Polyhalite
Tugtupite Vs Polyhalite
Tugtupite
Vanadinite
Tugtupite Vs Vanadinite

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