Mineralogy Database
Search |
About the mineralogy database |
Contact
Sample n° 12574
Minerals found in the sample
Mineral | Formula | Category | Subcategory | Importance |
---|---|---|---|---|
GONNARDITE | (Na,Ca)2(Si,Al)5O103H20 | tektosilicates | zeolites | major |
HEULANDITE | (Ca,Na,K)5(Si27Al9)O7226H2O | tektosilicates | zeolites | major |
Description
Description:
pink gonnardite fibres (originally designated tetranatrolite) and red hematite aggregates in green rock
Origin
- Country: Congo (RDC)
- Region: Bas-Congo
- Locality: Boma, Lokandu road
Specification
-
Donors: SteenstraDonation year: 1970
-
Sampling year:Registration date:
-
Quantity: 1Size: 2
-
Dimension code 1>2>3: 3Quality code 1>2>3: 1
-
Holotype: noParatype: noRadioactive: no
-
Thin section: noChemical analysis: noX-Ray spectra: yes