Mineralogy Database

Search | About the mineralogy database | Contact


Sample n° 14198

Minerals found in the sample
Mineral Formula Category Subcategory Importance
TOURMALINE (Na,Ca)(Mg,Fe,Al)3(Al,Fe,Mg)6(BO3)3Si6O18(OH)4 cyclosilicates tourmaline major
Description
Description: cut stones of various colours (0.56, 0.39, 0.61, 0.43, 0.49 g)
Origin
Country: Sri Lanka       Region:       Locality:
Specification
Donors Goossens Sampling year
Donation year 1983 Registration date
 
Quantity 5 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