Ashcroftine-(Ce)

General Information:
 Chemical Formula:
K5Na5(Ce,Ca)12Si28O70(OH)2(CO3)8·8(H2O)
 Composition:
(Molecular Weight = 4,256.27 gm)
Potassium 4.59 % K 
Sodium 2.70 % Na
Calcium 2.82 % Ca
Cerium 29.63 % Ce
Silicon 18.48 % Si
Hydrogen 0.43 % H 
Carbon 2.26 % C 
Oxygen 39.09 % O 
 Empirical Formula:
K5Na5Ce9Ca3Si28O70(OH)2(CO3)8·8(H2O)
Physical Properties:
 Color:
pink.
 Density:
2.53 - 2.61, Average = 2.57
 Diaphaniety:
Transparent to Translucent
 Luster:
Vitreous - Silky
More details...