Formula: K(Ca,Ce)6Si8O22(OH,F)2
Origin of name: For Hugh Miser, American geologist
Crystal system: Triclinic
Crystal class: -1
Twinning:
Unit cell:
Colour: Pinkish to lilac, reddish brown, red
Diaphaneity: Translucent
Luster: Vitreous, pearly
Habit: Massive, cleavable fibrous, grains, compact aggregates, scaly aggregates, prismatic crystals
Hardness: 5.5 to 6
Specific gravity: 2.84 to 2.93
Cleavage: 2; {100} perfect, {010} imperfect
Tenacity:
Streak: White
Synonyms/varieties:
Comments:
| 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 |