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Sample n° 12556

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
GOLD	Au	native elements	-	major
DIOPTASE	CuSiO₃•H₂O	cyclosilicates	-	minor
KATANGITE (plancheite)	Cu₈(Si₄O₁₁)₂(OH)₄•H₂O	inosilicates	-	minor

Description

Description: small crystals on iron-rich rock

Information: RMCA Dossier G 266 G

Origin

Country: Angola
Region: Namibe Province
Locality: Mossamedes, Vimpongo Mine

Specification

Donors: Alyea

Donation year: 1922
Sampling year:

Registration date:
Quantity: 1

Size: 2

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