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Ferrierite-K & Clinoptilolite

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UVM826204

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Description
Locality: 
Kanan Road, Agoura Hills, Los Angeles County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.8 × 2.5 cm
Description

White fibrous ferrierite rich on matrix with colorless clinoptilolite.   From the Robert Ray collection, undated, but most of these were from the 1970's.

Mineral Data
What's on the rock

Ferrierite-K

Formula: 
(K2,Na2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O
Strunz: 
9.GD.50
Crystal System: 
Orthorhombic
Hardness: 
3.0 - 3.5
Type Locality: 
Santa Monica Mts, Los Angeles Co., California, USA

Clinoptilolite

Synonym Of: 

Clinoptilolite-Ca

Formula: 
(Ca,Na,K)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.5 - 4.0

Clinoptilolite-K

Formula: 
(K,Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.5 - 4.0

Clinoptilolite-Na

Formula: 
(Na,K,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.5 - 4.0

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