К минералам

RRUFF #939

Armstrongite

Элементы:CaZrSiOH
Valence:CaZr^4+SiOH

Химия

IMA chemistry:
CaZr(Si6O15)·2H2O
Valence chemistry:
CaZr4+Si6O15·2H2O

Классификация

Crystal systems:
monoclinic
Space groups:
C2, m
Structural group:
Not in a structural group
IMA status:
Approved

Происхождение

Country:
Mongolia
Published:
1972
Oldest age Ma:
1458
Paragenetic modes:
Abiotic, Primary, Stage 4b: Highly evolved igneous rocks, PM35 - Ultra-alkali and agpaitic igneous rocks

Примечания

Vladykin N V, Kovalenko V I, Kashaev A A, Sapozhnikov A N, Pisarskaya V A (1973) A new silicate of calcium and zirconium - armstrongite, Doklady Akademii Nauk SSSR 209, 1185-1188 Chemical formula revised from CaZrSi6O15·3H2O: Mesto E, Kaneva E, Schingaro E, Vladykin N, Lacalamita M, Scordari F (2014) Armstrongite from Khan Bogdo (Mongolia): Crystal structure determination and implications for zeolite-like cation exchange properties. American Mineralogist 99, 2424-2432