Mineralogy Database

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Sample n° 13618

Minerals found in the sample
Mineral Formula Category Subcategory Importance
GAUDEFROYITE Ca4Mn3+3(BO3)3(CO3)O3 borates - major
JOURAVSKITE Ca3Mn4+(SO4)(CO3)(OH)6•12H2O sulfates - major
Description
Description: black needles (gaudefroyite), small yellow crystals (jouravskite)
Information: specimen from type locality
Origin
  • Country: Morocco
  • Region: Ouarzazate Province
  • Locality: Tachgagalt
Specification
  • Donors: Ecole des Mines de Paris Guillemin
    Donation year: 1979
  • 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: yes