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Minyulite On Goethite

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PJM127870

Minyulite On Goethite

Description Tabs

Description
Locality: 
Toms Phosphate Quarry, Kapunda, South Australia, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.3 × 3.8 cm
Description

A large open cavity in light coloured phosphatic gossam is lined with lustrous botyroidal dark coffee brown coloured goethite over which stunning white flattened rosettes of traslucent to transparent minyulite crystals have formed

Mineral Data
What's on the rock

Minyulite

Formula: 
KAl2(PO4)2(OH,F)·4H2O
Strunz: 
8.DH.05
Crystal System: 
Orthorhombic
Hardness: 
3.5
Type Locality: 
Minyulo Well, Dandaragan, Dandaragan Shire, Western Australia, Australia

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany
Earthstones Australia

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

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