Formula: MgB4O5(OH)4 . 7H2O
Origin of name: For C. Hung-chao, Chinese geologist
Crystal system: Triclinic, pseudohexagonal
Crystal class: -1
Twinning:
Unit cell:
Colour: Colourless, white
Diaphaneity:
Luster:
Habit: Crystals tabular to equant, microscopic; massive
Hardness: 2.5
Specific gravity: 1.71
Cleavage: 3; {-111} and {-1-11} good, {010} imperfect
Tenacity:
Streak:
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 |