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Parwanite & Montgomeryite

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PJM116496

Parwanite & Montgomeryite

Type Locality

Description Tabs

Description
Locality: 
Parwan Lava Caves, Bacchus Marsh, Moorabool Shire, Victoria, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 2.5 × 1.6 cm
Description

The Parwan Lava Caves were the site for a small one off find of the extremely rare phosphate mineral parwanite, which occurs as finely bladed pearly translucent globules, on orangy clay montmorillonite pieces in the taranakite matix.

Mineral Data
What's on the rock

Parwanite

Formula: 
(Na,K)(Mg,Ca)4Al8(PO4)8(CO3)(OH)7·30H2O
Strunz: 
8.DO.40
Hardness: 
0.0
Type Locality: 
Parwan lava caves, Bacchus Marsh, Victoria, Australia

Montgomeryite

Formula: 
Ca4MgAl4(PO4)6(OH)4·12H2O
Strunz: 
8.DH.25
Hardness: 
4.0
Type Locality: 
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA
Earthstones Australia

Seller Information

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