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Quartz With Rutile Var Sagenite & Brookite

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PIN13271

Quartz With Rutile Var Sagenite & Brookite

Rare Mineral

Description Tabs

Description
Locality: 
Kharan, Baluchistan, Pakistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.5 × 5 × 4 cm
Largest Crystal: 
2.00cm
Description

Wonderful little jewel! In this specimen you can see a really unusual association! Inside the biggest among a dozen of perfect and clear quartz crystals you can see a 2 cm brookite crystal and extra shining crystals of rutile var sagenite (aggregates of lath-like to acicular needles of rutile, co penetrating each other at angles of 65°35' and 55°44', respectively)!

I've never see before a specimen like this, this is one of the few localities where you can find this association. Don't lose it!

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

Sagenite

Variety Of: 

Rutile

Formula: 
TiO2
Strunz: 
4.DB.05
Hardness: 
6.0 - 6.5
Synonym Of: 

Sagenite (of Kunz)

Hardness: 
0.0

Sagenite (of Saussure)

Hardness: 
0.0

Brookite

Formula: 
TiO2
Strunz: 
4.DD.10
Crystal System: 
Orthorhombic
Hardness: 
5.5 - 6.0
Type Locality: 
Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd (Caernarvonshire), Wales, UK

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