Tweddillite

Properties

Formula CaSr(MnIII2Al)[Si2O7][SiO4]O(OH)
Abbreviation Twe
Classification Epidote (group)
IMA Status Approved/renamed (IMA 2001-014)
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags Hydroxide , Mineral, Aluminosilicate

Composition

Element Atoms
Ca 1
H 1
Al 1
Si 3
O 13
Sr 1
Mn 2
Total: 22