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Bavenite On Ankerite

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PJM112167

Bavenite On Ankerite

Description Tabs

Description
Locality: 
Kara #1 Pit, Kara Mines, Hampshire District, Burnie City, Tasmania, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.3 × 2.6 cm
Description

A very rich specimen of bavenite on ankerite crystals.

There are two generations of bavenite the first has formed tuffed sprays of offwhite to tan coloured crystals whilst the second generation has similiar crystal groups but are snow white in colour. The bavenite cover the blades on ankerite on this specimen

Mineral Data
What's on the rock

Bavenite

Formula: 
Ca4Be2Al2Si9O26(OH)2
Strunz: 
9.DF.25
Crystal System: 
Orthorhombic
Hardness: 
5.5
Colour: 
White
Type Locality: 
Seula mine (ex Montecatini quarry), Mount Camoscio, Oltrefiume, Baveno, Verbano-Cusio-Ossola Province, Piedmont, Italy

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria
Earthstones Australia

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All goods must be paid for prior to shipping, all bids are binding.

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