Читать книгу The Rare Earths: Their Occurrence, Chemistry, and Technology - Stanley Isaac Levy - Страница 82
Lavenite.
Оглавление(Mn,Ca,Fe)(ZrOF)Na(SiO₃)₂? ZrO₂ = 28·8-31·6%.
Monoclinic; habit prismatic.
G = 3·51-3·55. H = 6. Brown to yellow; translucent.
Langesund Fiord, Norway; the Ardennes, France.