Specimen NumberTC-1-2-011Alternate Number8-4-019CommentsMore of this in collection as 8-4-019. See XRD data below, abundant calcite and barite, with the brown areas appearing to contain minor bastnesite and strontianite.In Teaching CollectionYesMineral(s)baritebastnasite-(Ce)calcitestrontianiteRock NamecarbonatiteDistrictMountain PassMineMountain PassExternal LinkMindatDeposit TypeCarbonatite