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Sample n° 6401.1

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
NONTRONITE	Na0,3Fe3+2(Si,Al)4O10(OH)2•nH2O	phyllosilicates	smectite	major

Description

Description: yellow coating on vein quartz

Information: Herman, P., Vanderstappen, R. & Hubaux, A., 1961. Contribution à l'étude des minéraux congolais. Annales de la Société Géologique de Belgique 84, 297-309.

Origin

• Country: Congo (RDC)
• Region: Bas-Congo
• Locality: Matadi, Kinzau, Noqui Massif

Specification

• Donors: Cahen
  Donation year: 1958
• 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: yes
  Chemical analysis: no
  X-Ray spectra: yes

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