Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Jahnsite-(CaMnMn) & Matulaite

Views:
Watches:
CHP915772

Jahnsite-(CaMnMn) & Matulaite

Analysed

Description Tabs

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 × 2.4 × 1.8 cm
Description

specimen with some very good yellow crystals of jahnsite-(CaMnMn) on matrix with associate tiny white balls of matulaite.

c. 4465

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps