Mineralogy Database

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Sample n° 9488

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
SCHORL	NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)	cyclosilicates	tourmaline	major

Description

Description: crystals

Information: Dambly, M., Pollak, H., Quartier, R. & Bruyneel, W., 1976. I.R.-irradiation enhanced effects in tourmaline. Journal de Physique Colloques 37, C6, 807-810.

Origin

• Country: Rwanda
• Region: Gisenyi
• Locality: Nyarigamba

Specification

• Donors: Varlamoff
  Donation year:
• Sampling year:
  Registration date:
• Quantity:
  Size:

• 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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