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Rondorfite & Fluorellestadite

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CSL140905

Rondorfite & Fluorellestadite

Rare Mineral

Description Tabs

Description
Locality: 
Caspar Quarry, Bellerberg, Ettringen, Eifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.1 × 0.9 cm
Description

Rondorfite is a rare calcium-magnesium-silicate mineral, It occurs as yellow-brown waxy inclusions with bluish fluorellestadite. Caspar quarry is the Type Locality of rondorfite.

Mineral Data
What's on the rock

Rondorfite

Formula: 
Ca8Mg(SiO4)4Cl2
Strunz: 
9.AB.20
Hardness: 
0.0
Type Locality: 
Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany

Fluorellestadite

Formula: 
Ca5(SiO4)1.5(SO4)1.5F
Strunz: 
9.AH.25
Hardness: 
4.5
Type Locality: 
Coal mine No. 44, Kopeisk, Chelyabinsk coal basin, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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