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Quartz With Hematite & Gypsum

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TPX180698

Quartz With Hematite & Gypsum

Description Tabs

Description
Locality: 
Sierra de las Indias, La Alcoraya, Alicante, Valencian Community, Spain
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.6 × 6.3 × 2.3 cm
Largest Crystal: 
2.00cm
Description

Hematoid quartz crystal perfectly ended on red gypsum matrix. This crystal shows a mottled black and red color that is typical of this small site. Such crystals are known as: Jacinto de Compostela.

Mineral Data
What's on the rock

Quartz

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

Hematite

Formula: 
Fe2O3
Strunz: 
4.CB.05
Crystal System: 
Trigonal
Hardness: 
5.0 - 6.0

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.

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