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Meurigite-K & Dufrénite

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SER706847

Meurigite-K & Dufrénite

Description Tabs

Description
Locality: 
Těškov, Rokycany District, Plzeň Region, Plzeň Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 1.1 × 1.6 cm
Description

a cluster of quartz crystals hosts dozens of light yellow tufts of meurigite-K and tiny tufts of mint green dufrenite

Mineral Data
What's on the rock

Meurigite-K

Formula: 
KFe3+8(PO4)6(OH)7·6.5H2O
Strunz: 
8.DJ.20
Crystal System: 
Monoclinic
Hardness: 
3.0
Streak: 
White
Type Locality: 
Chino Mine (Santa Rita Pit; Santa Rita Mine), Santa Rita, Santa Rita District, Grant Co., New Mexico, USA

Dufrénite

Formula: 
Ca0.5Fe2+Fe3+5(PO4)4(OH)6·2H2O
Strunz: 
8.DK.15
Hardness: 
3.5 - 4.5
Streak: 
Green
Type Locality: 
Anglar, Haute-Vienne, Limousin, France