Ekanite is a radioactive mineral and, sometimes, in the state métamicte.
To know more about the mineralogy of Ekanite, see Mindat.org->
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Ekanite
- Translations : Ekanit, Ekanita, Эканит, 埃卡石 ,エカナイト
- Etymology : Of the name of the discoverer F. L.D. Ekanayake, in Sri Lanka.
- Discovery: 1961 by F. L. D. Ekanayake. Mineral determined by Anderson & Al.
- Type localityEhiliyagoda (Ehaliyagoda), Ratnapura, Sabaragamuwa Province, Sri Lanka.
Gemological data
- Chemical formula : Ca2ThSi8O20
- Hardness (Mohs) : 4.5
- Density : 2.95 - 3.28
- Refractive index : nω = 1.580 nε = 1.568
- Birefingence : 0.012
- Crystal system : Rhombohedral
- Group : Steacyte
- Mineralogical Class : Phyllosilicates
