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Segnitite & Mimetite

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PJM39583

Segnitite & Mimetite

Ex Jack & Dawn Leach Collection
Type Locality

Description Tabs

Description
Locality: 
Kintore Open Cut, Broken Hill, New South Wales, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.7 × 4.1 × 2.7 cm
Description

An extremely rich covereage of yellowish green srgnitite crystals on a contrasting magamese oxide background over garnet sandstone from the Kintore Opencut. Over the segnitite range a number of wheatsheaf sprays of bright yellow mimetite crystals.

Ex Jack & Dawn Leach Collection #2503

Segnitite is named in honour of Dr Ralph Segnit, with whom I had the pleasure of sharing the odd glass of red wine, books and some nice minerals. A true gentleman I was honoured to call a friend.

Mineral Data
What's on the rock

Segnitite

Formula: 
PbFe3+3(AsO4)2(OH,H2O)6
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
4.0
Type Locality: 
Kintore opencut, Broken Hill, Yancowinna Co., New South Wales, Australia

Mimetite

Formula: 
Pb5(AsO4)3Cl
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Treue Freundschaft Mine, Johanngeorgenstadt, Johanngeorgenstadt District, Erzgebirge, Saxony, Germany
Earthstones Australia

Seller Information

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