Charoite

charoite

(K,Sr)₁₅-₁₆(Ca,Na)₃₂[Si₆O₁₁(O,OH)₆]₂[Si₁₂O₁₈(O,OH)₁₂]₂[Si₁₇O₂₅(O,OH)₁₈]₂(OH,F)₄ * ~₃H₂OChemical formula

Facts

Chemical formula: (K,Sr)₁₅-₁₆(Ca,Na)₃₂[Si₆O₁₁(O,OH)₆]₂[Si₁₂O₁₈(O,OH)₁₂]₂[Si₁₇O₂₅(O,OH)₁₈]₂(OH,F)₄ * ~₃H₂O
Elements in formula: Potassium, Strontium, Calcium, Sodium, Silicon, Oxygen, Hydrogen, Fluorine
Number of elements: 8
IMA status: Approved
Type locality: Murunskii massif
Named after: Chara