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Macdonaldite

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SKY845943

Macdonaldite

Type Locality

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Description
Locality: 
Rush Creek, Fresno County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.4 × 1.4 cm
Description

White radial crystals of the rare mineral macdonaldite from the TL in California.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

 

Mineral Data
What's on the rock

Macdonaldite

Formula: 
BaCa4Si16O36(OH)2·10H2O
Strunz: 
9.EB.05
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Big Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California, USA

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