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Sample n° 12138

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
CRYPTOMELANE	K(Mn⁴⁺₇ Mn³⁺)O₁₆	oxides and hydroxides	-	major

Description

Description: earthy blocks

Origin

Country: Morocco
Region: Ouarzazate Province
Locality: Bou Azzer

Specification

Donors: Deliens

Donation year: 1969
Sampling year:

Registration date:
Quantity: 4

Size: 3

Dimension code 1>2>3: 3

Quality code 1>2>3: 1
Holotype: no

Paratype: no

Radioactive: no
Thin section: no

Chemical analysis: no

X-Ray spectra: no