Formula: Pb(CaNa)(Mg,Fe,Mn)3Fe2(Si6Be2)O22(OH)2
Origin of name: For Joseph V. Smith, English-American mineralogist
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour: Black
Diaphaneity:
Luster: Subadamantine
Habit: Crystals prismatic
Hardness: 5.5
Specific gravity: 3.83
Cleavage: 1; {110} perfect
Tenacity:
Streak: Pale brown
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 |