Clinotobermorite
Clinotobermorite is an IMA-recognized mineral species in the silicate class, with the chemical formula Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O).
It crystallizes in the triclinic crystal system (space group I2/m). It is a member of the Tobermorite structural group.
Key properties: Mohs hardness 4.5; specific gravity 2.58; Vitreous luster.
IMA symbol Ctbm, IMA status: approved, named in 1990.
Found in gehlenite-spurrite-bearing skarns.
It is found associated with Calcite, tobermorite, plombiµerite, apophyllite.
A prefix, clino, for its monoclinic crystal system and chemical identity to tobermorite.
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 C minerals or help write this entry.