General Information:
Chemical Formula:
MgB2O4·3(H2O)
Composition:
(Molecular Weight = 163.97 gm)
Magnesium 14.82 % Mg
Boron 13.19 % B
Hydrogen 3.69 % H
Oxygen 68.30 % O
Empirical Formula:
MgB2O4·3(H2O)
Environment:
Evaporite salt deposits.
Locality:
Stassfurt and Aschersleben, Saxony, Germany. Eagle Borax works, Death Valley, California, USA.
Name Origin:
Named for chief councillor of Mines, Pinno, of Halle, Germany.
Physical Properties:
Cleavage:
[???] Indistinct
Color:
colorless, yellow, yellow green, or light yellow.
Density:
2.29
Diaphaniety:
Translucent
Habits:
Nodular - Tuberose forms having irregular protuberances over the surface., Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Granular - Generall y occurs as anhedral to subhedral crysta
Hardness:
3.5 - Copper Penny
Luster:
Vitreous (Glassy)
Streak:
white
More details...