Quadridavyne

General Information:
 Chemical Formula:
(Na,K)6Ca2Al6Si6O24Cl4
 IMA Status:
Approved IMA
Physical Properties:
 Cleavage:
[001] Perfect, [110] Distinct
 Color:
colorless.
 Density:
2.335
 Diaphaniety:
Transparent
 Hardness:
5 - Apatite
 Luster:
Vitreous (Glassy)
 Streak:
white
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