Mineralogy Database
Search |
About the mineralogy database |
Contact
Sample n° 12807
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
VERMICULITE | Mg0,7(Mg,Fe,Al)6(Si,Al)8O20(OH)48H2O | phyllosilicates | mica | major |
Description
Description:
altered yellow plate-shaped crystals (30 cm)
Origin
- Country: South Africa
- Region: Limpopo
- Locality: Phalaborwa
Specification
-
Donors: VerwoerdDonation year: 1972
-
Sampling year:Registration date:
-
Quantity: 1Size: 1
-
Dimension code 1>2>3: 2Quality code 1>2>3: 1
-
Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: no