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Pumpellyite On Quartz

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SHS125664

Pumpellyite On Quartz

Description Tabs

Description
Locality: 
Seelbach, Herborn, Lahn-Dill, Giessen Region, Hesse, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.3 × 0.8 cm
Description

Pumpellyite crystals on quartz crystals

Mineral Data
What's on the rock

Pumpellyite

Synonym Of: 

Pumpellyite-(Al)

Formula: 
Ca2(Al,Fe2+,Mg)Al2(Si2O7)(SiO4)(OH,O)2·H2O
Strunz: 
9.BG.20
Hardness: 
0.0

Pumpellyite-(Fe2+)

Formula: 
Ca2Fe2+Al2(Si2O7)(SiO4)(OH)2·H2O
Strunz: 
9.BG.20
Hardness: 
0.0

Pumpellyite-(Fe3+)

Formula: 
Ca2(Fe3+,Mg,Fe2+)(Al,Fe3+)2(Si2O7)(SiO4)(OH,O)2·H2O
Strunz: 
9.BG.20
Hardness: 
0.0

Pumpellyite-(Mg)

Formula: 
Ca2MgAl2(Si2O7)(SiO4)(OH)2·H2O
Strunz: 
9.BG.20
Hardness: 
5.5

Pumpellyite-(Mn2+)

Formula: 
Ca2(Mn2+,Mg)(Al,Mn3+,Fe3+)2(Si2O7)(SiO4)(OH)2·H2O
Strunz: 
9.BG.20
Hardness: 
0.0
Group Parent: 
Pumpellyite Group

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White