General Information:
Chemical Formula:
(Na2,Ca,Mg)3.5[Al7Si17O48]ยท32(H2O)
Environment:
Usually occurs in basaltic volcanics, metapyroxenite, also with augite in limburgite.
Locality:
Sasback in the Kaiserstuhl, Baden, Germany.
Name Origin:
Named after Barthelemy Faujas de Saint Fond (1741-1819), French geologist and writer on the origin of volcanoes.
Physical Properties:
Cleavage:
[111] Perfect, [111] Perfect, [111] Perfect
Color:
colorless, white, or pale brown.
Density:
1.923 - 1.94, Average = 1.93
Diaphaniety:
Transparent to translucent
Habits:
Crystalline - Coarse - Occurs as well-formed coarse sized crystals., ,
Hardness:
5 - Apatite
Luster:
Vitreous (Glassy)
Streak:
white
More details...
Atomic Mass : 151.965
Atomic Number : 63
Name Origins: Named after Europe.
Year Discovered : 1901
Discovery Credits : Discovered by E. A. Demarcay at Paris, France.
More Details
Atomic Mass : 151.965
Atomic Number : 63
Name Origins: Named after Europe.
Year Discovered : 1901
Discovery Credits : Discovered by E. A. Demarcay at Paris, France.
More Details
Atomic Mass : 151.965
Atomic Number : 63
Name Origins: Named after Europe.
Year Discovered : 1901
Discovery Credits : Discovered by E. A. Demarcay at Paris, France.
More Details
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