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Quadruphite-VIII

Formula:
Na
 
14
CaMgTi
 
4
(Si
 
2
O
 
7
)
 
2
(PO
 
4
)
 
4
O
 
4
F
 
2
System:TriclinicLustre:Vitreous
Hardness:5
This page provides mineralogical data about Quadruphite-VIII.

Classification of Quadruphite-VIII

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Physical Properties of Quadruphite-VIII

Lustre:Vitreous
Hardness (Mohs):5

Crystallography of Quadruphite-VIII

Crystal System:Triclinic

Optical Data of Quadruphite-VIII

Type:Biaxial (-)
RI values: nα = 1.630 nβ = 1.678 nγ = 1.697
Maximum Birefringence:δ = 0.067

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r > v

Chemical Properties of Quadruphite-VIII

Formula:
Na
 
14
CaMgTi
 
4
(Si
 
2
O
 
7
)
 
2
(PO
 
4
)
 
4
O
 
4
F
 
2
Essential elements:Ca, F, Mg, Na, O, P, Si, Ti
All elements listed in formula:Ca, F, Mg, Na, O, P, Si, Ti

Other Names for Quadruphite-VIII

Russian names:
Квадруфит-VIII

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Internet Links for Quadruphite-VIII

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