Formula: (Ni,Mg,Fe)CO3
Origin of name: After locality; Gaspé Peninsula, Quebec Canada
Crystal system: Hexagonal
Crystal class: -3 2/m
Twinning:
Unit cell: a = 4.609 Ǻ, c = 14.74 Ǻ
Colour: Light green
Diaphaneity:
Luster: Vitreous to dull
Habit: Crystals rhombohedral, small
Hardness: 4.5 to 5
Specific gravity: 3.71
Cleavage: 1; {10-11} good
Tenacity:
Streak: Yellowish green
Synonyms/varieties:
Comments: Series with magnesite
| 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 |