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  Home  >>  Mineral Encyclopedia  >>  Mineral Photos  >>  Palygorskite-Palygorskite
Palygorskite
Chemical
Formula
 (Mg,Al)2Si4O10(OH)·4(H2O)
Species
 Silicates
Crystal
System
 Monoclinic
Mohs
Scale
 2
Specific
Gravity
 2.35
Color
 White, grayish, yellowish, gray-green
Luster
 Waxy, Earthy
Refractive
Index
 n = 1.522 - 1.528 n = 1.530 - 1.546 n = 1.533 - 1.548
Diaphaneity
 Translucent
Cleavage
 Distinct/GoodGood on
Crystal Habit：Crystal are lath, commonly fibrous, tangled mats known as mountain leather
Geological Setting：Alteration product of magnesium silicates
Palygorskite5552
Palygorskite5552
Palygorskite5550
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Palygorskite5547
Palygorskite5547
Palygorskite5542
Palygorskite5542
Palygorskite5538
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