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Quartz Var Jacinto De Compostela & Gypsum

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MNT205234

Quartz Var Jacinto De Compostela & Gypsum

ex Dr. H.J. Wilke (GER)
Classic Locality

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Description Tabs

Description
Locality: 
Minglanilla, Cuenca, Castilla La Mancha, Spain
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 3.6 × 3 cm
Description

Eisenkiesel (Var: Jacinto de Compostela Quartz): A nice example: Translucent/opaque red ferruginous quartz crystals are embedded in a reddish  gypsum matrix. This type of hematite including quartz is locally called " Jacinto de Compostela " and occurs in gypsum-bearing, marl-clay outcrops of the Upper Triassic (Keuper). Ex H.J. Wilke. In a lot labeled to be from Minglanilla.

Mineral Data
What's on the rock

Quartz

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

Gypsum

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

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Seller's terms and conditions

Terms & Conditions

Thank you for your interest in my offers! Payment is possible via Paypal, bank transfer or cash if you pick up the item(s) personally. Bank data will be provided after settling the auction/transaction(s) if needed.

In case you are not happy with a specimen, you may send it back within 4 weeks. After receipt, i will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions (or maybe complaints) please feel free to contact me.

Best regards Roger

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