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Jeremejevite & Pseudobrookite

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ZLT134285

Jeremejevite & Pseudobrookite

Description Tabs

Description
Locality: 
Emmelberg, Üdersdorf, Daun, Eifel, Rhineland-Palatinate, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 2.2 × 1.8 cm
Description

Part of a clay xenolith showing 3 clusters of jeremeievit (one of 0.34 mm) and several nice pseudobrookite crystals on sanidine. Very good sample for the location. Collected in 1993.

Mineral Data
What's on the rock

Jeremejevite

Formula: 
Al6(BO3)5(F,OH)3
Strunz: 
6.AB.15
Crystal System: 
Hexagonal
Hardness: 
7.0
Type Locality: 
Soktuj Gora (Mount Soktuj), Adun-Cholon Range, Nerchinsk Gem mines, Nerchinsk (Nertschinsk), Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia...

Pseudobrookite

Formula: 
Fe2TiO5
Strunz: 
4.CB.15
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
6.0
Streak: 
Brown
Type Locality: 
Uroi Hill (Arany Hill), Simeria, Hunedoara Co., Romania

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