No. Orthoclase is a variety of potassium feldspar.
yes,orthoclase is a silicate mineral
hardness for orthoclase feldspar is 6.0
mafic rocks can be made up of orthoclase feldspar and quartz
it is Orthoclase
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jais face
Orthoclase feldspar is 6 on the Mohs scale of mineral hardness.
it is used for gem stones.
orthoclase
Yes, it has a glassy luster.
silicates