Scandium

Email: molly@samaterials.com

Tel : (949) 407-8904

Magbasite Mineral Data

magbasite-mineral
General Information
Chemical Formula:KBa(Al,Sc)(Mg,Fe++)6Si6O20F2
IMA Status:Approved IMA 1965
Classification
Dana Class:69.2.1c.1 (69)Chains with Side Branches or Loops (69.2)with P>2 (69.2.1c)Aenigmatite and related species (Magbasite subgroup)
Strunz Class:VIII/C.32-10 – Silicates [Sorosilicates with [Si3O10]8- groups (Magbasite series).]
Crystallography
Crystal System:Unknown
X Ray Diffraction:By Intensity(I/Io): 3.2(1) 3.63(1) 2.59(0.8)
Physical Properties
Color:colorless or pink violet.
Density:3.41
Diaphaniety:Transparent
Hardness:5 – Apatite
Luster:Vitreous (Glassy)
Streak:white
Optical Properties
Optical Data:Biaxial (-), a=1.597, b=1.609, g=1.615, bire=0.0180, 2V(Calc)=70, 2V(Meas)=70.
Other Information
References:PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also: Athena Mineralogy
 Frederic Biret
 Google
 MinMax
 École des Mines de Paris

Leave a Reply

Your email address will not be published. Required fields are marked *