General Information:
Chemical Formula:Mg(HCO3)(OH)·2(H2O)
Composition:(Molecular Weight = 138.36 gm)Magnesium 17.57 %
MgHydrogen 4.37 %
H Carbon 8.68 %
C Oxygen 69.38 %
O
Empirical Formula: Mg(HCO3)(OH)·2(H2O)
Locality:Coal mine at Nesquehoning, Schurlkill Co., Pensylvania, USA.
Name Origin:Named after its locality.
Physical Properties:
Cleavage:[110] Perfect, [001] Imperfect
Color:colorless or white.
Density:1.83 - 1.85, Average = 1.84
Diaphaniety:Transparent to translucent
Habits:Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).,
Hardness:2.5 - Finger Nail
Luminescence:Non-fluorescent.
Luster:Vitreous - Dull
Streak:white
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