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Home
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Mineral Encyclopedia
>> Mineral Photos >> Gaylussite-Gaylussite
Gaylussite
Chemical
Formula
Na2Ca(CO3)2·5H2O
Species
Carbonates
Crystal
System
Monoclinic
Mohs
Scale
2
Specific
Gravity
1.93-1.99
Color
Colorless, white, yellow, and grey
Streak
white
Luster
Vitreous
Refractive
Index
n = 1.444 n = 1.516 n = 1.523
Diaphaneity
Transparent, Translucent
Cleavage
PerfectOn perfect; rather difficult.
Fracture
Conchoidal
Crystal Habit:
Tabular prismatic crystals also granular
Geological Setting:
Soda lakes.
Gaylussite2695
Gaylussite2694
Gaylussite2690
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