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Dominant species
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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
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Palygorskite5547
Palygorskite5547
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Palygorskite5542
Palygorskite5538
Palygorskite5538

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