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Sample n° 6881

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
CHAMOSITE	(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8	phyllosilicates	chlorite	major

Description

Description: purplish black and brown block (10 cm), var. bavalite

Information: specimen from type locality

Origin

• Country: France
• Region: Côtes-d'Armor
• Locality: Saint-Brieuc, Quintin Bavalou

Specification

• Donors: Polinard
  Donation year: 1954
• 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

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