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Jahnsite

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GFM969889

Jahnsite

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Description Tabs

Description
Locality: 
Angarf South Pegmatite, Tazenakht, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2 cm
Description

brownish glassy crystals of 1 mm, together with apple green Tavorite in dark green Heterosite matrix

Mineral Data
What's on the rock

Jahnsite

Synonym Of: 

Jahnsite-(CaMnFe)

Formula: 
{Ca}{Mn2+}{Fe2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0

Jahnsite-(CaMnMg)

Formula: 
{Ca}{Mn2+}{(Mg,Fe2+)2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0

Jahnsite-(CaMnMn)

Formula: 
{Ca}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0

Jahnsite-(MnMnMn)

Formula: 
{Mn2+}{Mn2+}{Mn2+2}{Fe3+2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0