General Information:
Chemical Formula:
Mg2(CO3)(OH)2·3(H2O)
Composition:
(Molecular Weight = 196.68 gm)
Magnesium 24.72 % Mg
Hydrogen 4.10 % H
Carbon 6.11 % C
Oxygen 65.08 % O
Empirical Formula:
Mg2(CO3)(OH)2·3(H2O)
Environment:
Low-temperature hydrothermal mineral in veins and crusts in serpentinized ultrabasic rocks.
Locality:
Val Brutta, and Francia in the Val Lanterna, Lombardy, Italy.
Name Origin:
Named after the Italian mineralogist, Ettore Artini (1866-1928), mineralogist at the University of Milan.
Physical Properties:
Cleavage:
[100] Perfect, [001] Good
Color:
white.
Density:
2 - 2.03, Average = 2.01
Diaphaniety:
Translucent
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Encrustations - Forms crus t-like aggregates on matrix.
Hardness:
2.5 - Finger Nail
Luminescence:
None.
Luster:
Silky
Streak:
white
More details...