Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 4682

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
MUSCOVITE	KAl2(Si3Al)O10(OH)2	phyllosilicates	mica	major

Description

Description: plate-shaped crystals (5 cm)

Information: geochronology - Monteyne-Poulaert, G., Delwiche, R. & Cahen, L., 1962. Ages des minéralisations pegmatitiques et filoniennes du Rwanda et du Burundi. Bulletin de la Société Belge de Géologie 71, 210-222.

Origin

• Country: Rwanda
• Region: Gisenyi
• Locality: Gatumba

Specification

• Donors: Polinard
  Donation year:
• Sampling year:
  Registration date:
• Quantity: X
  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

Previous page