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Whitlockite & Jahnsite

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JYJ57114

Whitlockite & Jahnsite

Description Tabs

Description
Locality: 
Hagendorf South Pegmatite, Bavaria, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
0.5 × 2 × 1.8 cm
Description

Small brown crystals on barbosalite.

Mineral Data
What's on the rock

Whitlockite

Formula: 
Ca9Mg(PO4)6(HPO4)
Group Parent: 
Whitlockite Group
Strunz: 
8.AC.45
Crystal System: 
Trigonal
Hardness: 
5.0 -
Colour: 
Colourless, grey-white, light pink, light yellow; colourless in transmitted light
Type Locality: 
Palermo No. 1 Mine Grafton County, New Hampshire, USA

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
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