Quintinite-2H

General Information:
 Chemical Formula:
Na14CaMgTi4[Si2O7]2(PO4)4O4F2
 Composition:
(Molecular Weight = 1,395.97 gm)
Sodium 23.06 % Na
Calcium 2.87 % Ca
Magnesium 1.74 % Mg
Titanium 13.72 % Ti
Silicon 8.05 % Si
Phosphorus 8.88 % P 
Oxygen 38.97 % O 
Fluorine 2.72 % F 
 Empirical Formula:
Na14CaMgTi4(Si2O7)2(PO4)4O4F2
 IMA Status:
Approved IMA
Physical Properties:
 Color:
brown.
 Density:
3.12
 Diaphaniety:
Transparent to Translucent
 Hardness:
5 - Apatite
 Luster:
Vitreous - Resinous
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