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Feldspar minerals comes in a variety of colors and chemical formulas. The most common pink feldspar is orthoclase.
Orthoclase feldspar is a tectosilicate mineral which is most commonly found in igneous rock. It has a Mohs hardness of 6 and has two cleavage planes which occur at right angles to each other. It is the potassium endmember of the feldspar group of minerals and is also referred to as alkali feldspar or K-spar. Orthoclase will appear in colors from white to deep pink, but has a white streak.
It is usually potassium feldspar, either microcline or orthoclase.
topaz
On the Mohs Scale of mineral hardness, feldspar is 6 and quartz is 7, so quartz is harder. What does this mean? quartz will scratch feldspar, but feldspar will not scratch quartz.
Glass can scratch apatite but not feldspar.
orthoclase
No. Orthoclase is a variety of potassium feldspar.
hardness for orthoclase feldspar is 6.0
Orthoclase is a common mineral and a member of the potassium feldspar group. It is used in the manufacture of glass and ceramics. One type is the moonstone gemstone.
Orthoclase feldspar is 6 on the Mohs scale of mineral hardness.
silicates
Orthoclase feldspar
Orothoclase Feldspar belong to the silicates group.
Orthoclase Feldspar.
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