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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.
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∙ 14y ago
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∙ 12y agoWiki User
∙ 12y agohardness for orthoclase feldspar is 6.0
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∙ 11y agovery
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A mineral with a hardness of 6?
Orthoclase feldspar is 6 on the Mohs scale of mineral hardness.
To which mineral group does orthoclase feldspar belong?
Orothoclase Feldspar belong to the silicates group.
What minerals are found in mafic rocks?
mafic rocks can be made up of orthoclase feldspar and quartz
What is the dencity of feldspar?
It varies from 2.52 - 2.74 grams/cc (Orthoclas=2.52 Anorthite=2.74) The density varies to heavier with greater amounts of Sodium or Calcium and lighter for Potassium Feldspar (Orthoclase)
Can you give examples of minerals from softest to hardest?
Talc - softest Gypsum Calcite Fluorite Apatite Orthoclase feldspar Quartz Topaz Corundum Diamond -hardest
How hard is orthoclase?
hardness for orthoclase feldspar is 6.0
Is orthoclase calcite?
No. Orthoclase is a variety of potassium feldspar.
A mineral with a hardness of 6?
Orthoclase feldspar is 6 on the Mohs scale of mineral hardness.
What mineral group is orthoclase feldspar in?
silicates
What mineral makes granite?
Orthoclase feldspar
To which mineral group does orthoclase feldspar belong?
Orothoclase Feldspar belong to the silicates group.
Where in the world can you find Orthoclase Feldspar?
bobs basement
Which mineral has a hardness of 6 and has cleavage?
Orthoclase Feldspar.
Is feldspar pink?
Feldspar minerals comes in a variety of colors and chemical formulas. The most common pink feldspar is orthoclase.
Is orthoclase a rock or a mineral?
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.
How is orthoclase used?
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.
What mineral has hardness of 6?
Orthoclase feldspar is 6 on the Mohs scale of mineral hardness.
