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Sample n° 5469

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
HETEROSITE	Fe3+(PO4)	phosphates	-	major
ALLUAUDITE	(Na,Ca)(Mn,Mg,Fe2+)(Fe3+,Mn2+)2(PO4)3	phosphates	-	minor
PHOSPHOSIDERITE	Fe3+(PO4)•2H2O	phosphates	-	minor

Description

Description: large block of mixed phosphates

Information: Fransolet, A.M., Hatert, F. & Fontan, F., 2004. Petrographic evidence for primary hagendorfite in an unusual assemblage of phosphate minerals, Kibingo granitic pegmatite, Rwanda. Canadian Mineralogist 42, 697-704. // Hatert, F., Ottolini, L. & Schmid-Beurmann, P., 2011. Experimental investigation of the alluaudite + triphylite assemblage, and development of the Na-in-triphylite geothermometer : applications to natural pegmatite phosphates. Contributions to Mineralogy and Petrology 161, 531-546.

Origin

• Country: Rwanda
• Region: Gitarama
• Locality: Mont Kibingo

Specification

• Donors: MGL
  Donation year: 1955
• Sampling year:
  Registration date:
• Quantity: 1
  Size: 1

• 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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