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Sample n° 13617
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
STEVENSITE | (Ca,Na)xMg3-ySi4O10(OH)2 | phyllosilicates | smectite | major |
GYPSUM | Ca(SO4)2H2O | sulfates | - | minor |
Description
Description:
soap-like coating (stevensite), small gypsum crystals
Information:
specimen from type locality
Origin
- Country: Morocco
- Region: Boulemane Province
- Locality: Djebel Ghasoul
Specification
-
Donors: Ecole des Mines de Paris GuilleminDonation year: 1979
-
Sampling year:Registration date:
-
Quantity: 1Size: 2
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Dimension code 1>2>3: 3Quality code 1>2>3: 1
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Holotype: noParatype: noRadioactive: no
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Thin section: noChemical analysis: noX-Ray spectra: yes