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Cuspidine & Rhönite & Gypsum

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SHS755863

Cuspidine & Rhönite & Gypsum

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.5 × 0.3 × 0.3 cm
Description

Nice cuspidine with rhönite and gypsum on matrix

Mineral Data
What's on the rock

Cuspidine

Formula: 
Ca4(Si2O7)(F,OH)2
Strunz: 
9.BE.17
Hardness: 
5.0 - 6.0
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Rhönite

Formula: 
Ca2(Mg,Fe2+,Fe3+,Ti)6[O2|(Si,Al)6O18]
Strunz: 
9.DH.40
Hardness: 
5.0 - 6.0
Type Locality: 
Rhön, Fulda, Hesse, Germany

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.