Mutinaite
Mutinaite is an IMA-recognized mineral species in the silicate class, with the chemical formula Na₃Ca₄Al₁₁Si₈₅O₁₉₂·60H₂O.
It crystallizes in the orthorhombic crystal system (space group Pnma).
Key properties: specific gravity 2.14; White streak; Vitreous to silky luster; optically biaxial.
IMA symbol Mut, IMA status: approved, named in 1996.
Found in cavities in dolerite.
It is found associated with Heulandite, terranovaite, tschernichite, smectite, quartz, cristobalite, opal-CT, apophyllite, gypsum, calcite.
The name comes from Mutina, the ancient Latin name of Modena, Italy, a center of modern zeolite research. Type: Museum of Natural History, University of Pisa, Italy (15520).
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more M minerals or help write this entry.