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Sample n° 14216

Minerals found in the sample
Mineral Formula Category Subcategory Importance
TOPAZ Al2SiO4F2 nesosilicates - major
Description: one colourless cut stone (0.17 g), two cabochon cut stones (0.20 g, 1.55 g)
Country: Sri Lanka       Region:       Locality:
Donors Goossens Sampling year
Donation year 1983 Registration date
Quantity 3 Dimension code 1>2>3 2
Size 3 Quality code 1>2>3 1
Holotype no Thin section no
Paratype no Chemical analysis no
Radioactive no X-Ray spectra no