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Quartz With Rutile

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BMM842478

Quartz With Rutile

Description Tabs

Description
Locality: 
Ishkoman Valley, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5 × 3.4 cm
Description

This crystallized quartz matrix specimen is richly covered with reddish rutile var sagenite. The rutile has also grown into the quartz with many crystals and gives the quartz a reddish character. A brookite crystal is also set with rutile.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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