Lemoynite

General Information:
 Chemical Formula:
(Na,K)2CaZr2Si10O26·5-6(H2O)
 IMA Status:
Approved IMA 1969
Physical Properties:
 Cleavage:
[001] Distinct, [010] Distinct
 Color:
yellowish white or light blue.
 Density:
2.29
 Hardness:
4 - Fluorite
 Streak:
white
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