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Jahnsite-(CaMnMn) & Matulaite

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CHP1075146

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Description
Locality: 
Fonte da Cal Mine, Bendada Mines, Bendada, Sabugal, Guarda District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.5 × 1.5 cm
Description

specimen with fantastic yellow crystals of jahsite-(CaMnMn) with associate white crystalline balls of matulaite on matrix.

c. 8954

Mineral Data
What's on the rock

Jahnsite-(CaMnMn)

Formula: 
{Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0
Streak: 
White
Type Locality: 
Cubos-Mesquitela-Mangualde area, Mangualde, Viseu District, Portugal

Matulaite

Formula: 
(Fe3+,Al)Al7(PO4)4(PO3OH)2(OH)8(H2O)8·8H2O
Strunz: 
8.DK.30
Hardness: 
1.0
Type Locality: 
Bachman Mine, Hellertown, Lower Saucon Township, Northampton Co., Pennsylvania, USA

Current price

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30
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Start 06 Oct 18:00
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