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Nepheline & Schorlomite

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SHS30770

Nepheline & Schorlomite

Description Tabs

Description
Locality: 
Midelt Province, Drâa-Tafilalet Region, Morocco
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 5 × 3.9 cm
Largest Crystal: 
0.90cm
Description

White nepheline crystals in black schorlomite

Mineral Data
What's on the rock

Nepheline

Formula: 
(Na,K)AlSiO4
Strunz: 
9.FA.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Schorlomite

Formula: 
Ca3(Ti,Fe3+)2((Si,Fe3+)O4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
7.0 - 7.5
Type Locality: 
Magnet Cove, Hot Spring Co., Arkansas, USA