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Mammothite & Diaboleite

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SKY189825

Mammothite & Diaboleite

Rare Mineral-Classic locality
Type Locality

Description Tabs

Description
Locality: 
Mammoth - St Anthony Mine, Tiger, Mammoth District, Pinal County, Arizona, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.8 × 1.4 cm
Description

Extremely rare bluish green well formed crystals of mammothite from the type locality Mammoth mine, Tiger. Mammothite is a very rare mineral only found in 4 localities worldwide, but the specimens from Mammoth are by far the most sought after of all.
Please note that the mammothite crystals in this specimen are green-blue, which is not common for the species. However, the original article describing mammothite in the Mineralogical Record (vol.16, March-April 1985, p.118) specifies that a cotype specimen of mammothite from Tiger (#141368) "is markedly different in color and crystal habit; the color is a distinct green-blue with equal intensity of blue and green color components". Don't miss the opportunity to get such extreme rarity. Associated minerals are abundant diaboleite and malachite.

Mineral Data
What's on the rock

Mammothite

Formula: 
Pb6Cu4AlSb5+O2(OH)16Cl4(SO4)2
Strunz: 
7.BC.60
Hardness: 
3.0
Streak: 
Pale blue
Type Locality: 
Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA

Diaboleite

Formula: 
Pb2CuCl2(OH)4
Strunz: 
3.DB.05
Crystal System: 
Tetragonal
Hardness: 
2.5
Colour: 
Blue
Streak: 
Blue
Type Locality: 
Higher Pitts Mine, Priddy, Mendip Hills, Somerset, England, UK

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