General Information:
Chemical Formula:(K,Ba,Na)(Ti++++,Nb)(Si,Al)2(O,OH)7·(H2O)
Physical Properties:
Cleavage:[100] Perfect
Color:brownish yellow, pink, or reddish brown.
Density:2.901 - 2.96, Average = 2.93
Hardness:6 - Orthoclase
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