Mineralogy Database

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Sample n° 13814

Minerals found in the sample

Mineral	Formula	Category	Subcategory	Importance
MATULAITE	Fe3+Al7(PO4)4(PO3OH)2(OH)8(H2O)8•8H2O	phosphates	-	major

Description

Description: white crust on iron-rich block (4 cm)

Information: specimen from type locality

Origin

• Country: USA
• Region: Pennsylvania
• Locality: Hellerton, Backman Mine

Specification

• Donors: Henderson
  Donation year: 1980
• Sampling year:
  Registration date:
• Quantity: 2
  Size: 2

• Dimension code 1>2>3: 2
  Quality code 1>2>3: 1
• Holotype: no
  Paratype: no
  Radioactive: no
• Thin section: no
  Chemical analysis: no
  X-Ray spectra: yes

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