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Vránaite

About

Named in honor of Stanislav Vrána (b. 1936), petrologist with the Czech Geological Survey. Among other things, he studied the petrology and mineralogy of borosilicate minerals. He was also editor-in-chief of the Journal of the Czech Geological Society.

Type Locality
Manjaka, Sahatany Valley, Ibity, Antsirabe II, Vakinankaratra, Madagascar
Mineral Data
Al16B4Si4O38
Physical Properties
Colour: 
Colourless
Crystal System: 
Monoclinic
Streak: 
White
Hardness: 
Tenacity: 
Brittle
Synonyms
Synonyms: 
Boron-mullite and IMA2015-084