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Weeksite & Vanadinite

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UVM594338

Weeksite & Vanadinite

A.L. Flagg
Radioactive

Description Tabs

Description
Locality: 
Muggins Prospects, Muggins Mountains, Yuma County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.6 × 1.8 cm
Description

An unusual association, this specimen features minute orange crystals of vanadinite growing directly on yellow weeksite.   Analysed by Raman spectroscopy.   Material from the collection of Arizona legend A.L. Flagg (1892-1961).

Mineral Data
What's on the rock

Weeksite

Formula: 
K2(UO2)2(Si5O13)·4H2O
Strunz: 
9.AK.30
Hardness: 
1.0 - 2.0
Colour: 
Yellow
Type Locality: 
Autunite No. 8 claim, Topaz Mountain, Thomas Range, Juab Co., Utah, USA

Vanadinite

Formula: 
Pb5(VO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
2.5 - 3.0
Type Locality: 
Zimapán, Mun. de Zimapán, Hidalgo, Mexico

Seller Information

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