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Rutile & Corundum

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BCK797541

Rutile & Corundum

Steven Phillips collection
Classic Locality

Description Tabs

Description
Locality: 
Sterling Mine, Ogdensburg, Sussex County, New Jersey, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Micromount (under 1cm)
Size: 
0.9 × 0.4 × 0.4 cm
Description

You are bidding on a small, but interesting sample with a large, rough, black rutile crystal on the end of a very nice pink corundum crystal. Interesting and unusual assemblage! From the Steve Phillips collection of Franklin District micromounts and rarities. 

Mineral Data
What's on the rock

Rutile

Formula: 
TiO2
Strunz: 
4.DB.05
Crystal System: 
Tetragonal - Ditetragonal Dipyramidal
Hardness: 
6.0 - 6.5
Type Locality: 
Rutile locality, Horcajuelo de la Sierra, Madrid, Spain

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
9.0
Streak: 
White

Seller Information

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