General Information:
Chemical Formula:
Na,Ca6Al4Si6O24F (?)
Locality:
Mte. Somma, Vesuvious, Italy.
Physical Properties:
Color:
pink, red, or reddish white.
Density:
2.545 - 2.932, Average = 2.73
Diaphaniety:
Translucent
Habits:
Crystalline - Fine - Occurs as well-formed fine sized crystals., ,
Hardness:
6 - Orthoclase
Luster:
Vitreous (Glassy)
Streak:
white
More details...