Formula: Ca5[(SiO4),(SO4)]3(OH,Cl,F)
Origin of name: From hydroxyl and R. Ellestadite
Crystal system: Monoclinic, pseudohexagonal
Crystal class: 2 or 2/m
Twinning:
Unit cell:
Colour: Pale purplish
Diaphaneity: Translucent
Luster: Vitreous
Habit: Massive; cleavable aggregates
Hardness: 4.5
Specific gravity: 3.02
Cleavage: 1; Prismatic
Tenacity:
Streak:
Synonyms/varieties:
Comments: Series with fluorellestadite
| Back to Alphabetical list | Colour photos | Thin sections | SEM images | TEM images | vibrational spectra description | IR spectra | Raman spectra | N-IR spectra | F-IR spectra | IES spectra |