Mineralogy Database

Search |  About the mineralogy database |  Contact

Sample n° 16328

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CORUNDUM Al2O3 oxides and hydroxides - major
HORNBLENDE [ ]Ca2((Fe2+,Mg)4Al)(Si7Al)O22(OH)2 inosilicates amphiboles major
ZOISITE Ca2Al3[Si2O7][SiO4]O(OH) sorosilicates epidote major
Description
Description: dark red corundum (var. ruby), in bright green zoisite matrix with dark hornblende (tschermakite)
Origin
  • Country: Tanzania
  • Region: Arusha Region
  • Locality: near Longido Ruby Mine
Specification
  • Donors: Errera
    Donation year: 2010
  • Sampling year: 1994
    Registration date:
  • Quantity: 4
    Size:
  • Dimension code 1>2>3: 1
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no