General Information:
Chemical Formula:Li2(Mg,Fe++)3Al2Si8O22(OH)2
Composition:(Molecular Weight = 846.07 gm)Lithium 1.64 %
LiAluminum 6.38 %
AlIron 19.80 %
FeSilicon 26.56 %
SiHydrogen 0.24 %
H Oxygen 45.38 %
O Empirical Formula: Li2Fe2+3Al2(Si8O22)(OH)2
Environment:Crystals in a pegmatite. Dimorphous with magnesioholmquistite, forms a series with clinohomquistite and ferroclinoholmquistite.
IMA Status:Approved IMA
Locality:Unspecifed locality in Siberia, Russia.
Name Origin:Named for its composition, monoclinic crystal structure, and relationship with holmsquisite.
Physical Properties: Cleavage:[???] Good
Color:blue violet, gray, gray violet, or light blue.
Density:3.02
Habits:Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., ,
Hardness:5-6 - Between Apatite and Orthoclase
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