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Laurentthomasite

About

The Mg analogue of Milarite.

Named after the French mineral dealer Laurent Thomas (b 1971) of Polychrom France.

Type Locality
Beravina, Ambaro, Tsaraitso, Betroka, Anosy, Madagascar
Mineral Data
Mg2K(Be2Al)Si12O30
Physical Properties
Crystal System: 
Hexagonal
Streak: 
Blue
Hardness: 
6
Tenacity: 
Brittle
Synonyms
Synonyms: 
IMA2018-157