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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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How hard is orthoclase?

hardness for orthoclase feldspar is 6.0


Is orthoclase calcite?

No. Orthoclase is a variety of potassium feldspar.


To which mineral group does orthoclase feldspar belong?

Orothoclase Feldspar belong to the silicates group.


What mineral group is orthoclase feldspar in?

silicates


What mineral makes granite?

Orthoclase feldspar


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.


Is orthoclase hard?

Yes, orthoclase is considered a relatively hard mineral, with a Mohs hardness of about 6 to 6.5. This makes it harder than common materials like glass and is indicative of its durability. Orthoclase is a type of feldspar commonly found in igneous rocks and contributes to their overall hardness.


What is the most common element found in orthoclase feldspar but not in plagioclase feldspar?

The most common element found in orthoclase feldspar but not in plagioclase feldspar is potassium (K). Orthoclase is a potassium-rich feldspar, typically represented by the chemical formula KAlSi3O8. In contrast, plagioclase feldspar is a solid-solution series that primarily consists of sodium (Na) and calcium (Ca) in its composition, lacking potassium.


Where in the world can you find Orthoclase Feldspar?

bobs basement


Which mineral has a hardness of 6 and has cleavage?

Orthoclase Feldspar.


What two general ways are the orthoclase feldspar important to the soil?

Orthoclase feldspar is important to soil because it weathers to form clay minerals, which contribute to soil fertility by providing essential nutrients for plant growth. Additionally, the breakdown of orthoclase feldspar releases potassium into the soil, which is a vital nutrient for plant development.


Is orthoclase a silicate?

Yes, orthoclase is a silicate mineral. It is a common member of the feldspar mineral group and has a chemical composition that includes silicon and oxygen.