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Which object can scratch feldspar but not quartz?
A steel nail can scratch feldspar but not quartz. Feldspar has a hardness of 6 on the Mohs scale, while quartz has a hardness of 7.
What are two feldspars found in granite?
Granite contains plagioclase feldspar and potassium feldspar. It really depends on the composition of the magma from which it forms. If the granite has a lot of pink in it, chances are it is potassium feldspar (K-Spar). If it is dominated by white, then the feldspar is probably plag.
To which mineral group does orthoclase feldspar belong?
Orothoclase Feldspar belong to the silicates group.
What is the scientific name for feldspar?
The scientific name for feldspar is a group name that encompasses several different minerals. The most common type of feldspar found in Earth's crust is potassium feldspar, which has the scientific name KAlSi3O8.
Can talc scratch feldspar?
No, talc is softer than feldspar on the Mohs scale of mineral hardness. Talc has a hardness of 1 while feldspar has a hardness of 6-6.5, which means that feldspar is resistant to being scratched by talc.
What are 10 facts about feldspar?
its light, its pretty, its purple and its a zebra
What type of cleavage does feldspar have?
Plagioclase feldspar is a non-metallic mineral. It has 2 cleavages at nearly right angles. It is also differentiated from potassium feldspar because it contains striations. Potassium feldspar has 2 cleavages at nearly right angles.
What are facts about feldspar?
Pretty much everywhere. About 60% of the earth's crust is feldspar.feldspar is found near volcanoes.because it it a type of igneous rockFeldspar if found mostly in Italy, Turkey and China
Is feldspar softer than pencil lead?
No, feldspar is not softer than pencil lead. Pencil lead, which is made of graphite, has a higher hardness on the Mohs scale compared to feldspar. Feldspar is typically around a 6 on the Mohs scale, while graphite is around 1-2.
What is the ratio of the atoms in feldspar?
Feldspars comprise a group of almost 20 related minerals and the ratio of elements differ from one type to another. The general ratio of atoms in common feldspar molecules isX:Al:Si:O = 1:(1 or 2):(3 or 2):8where X can be Na, K, or Ca.When X is Na or K, then Al = 1 and Si = 3and when X = Ca, then Al = 2 and Si = 2.
What is the fracture of feldspar?
Feldspar's fracture is brittle
What is feldspar fracture?
The fracture of feldspar is conchoidal or brittle.
What feldspar fracture?
The fracture of feldspar is conchoidal or brittle.
What would happen if you scratched a piece of fluorite against a piece of feldspar?
Fluorite is harder than feldspar, so scratching fluorite against feldspar would cause the fluorite to scratch the feldspar. This means the fluorite would leave a mark on the feldspar, showing that fluorite is harder than feldspar.
What is the feldspar?
Feldspar is a mineral found prety mutch anywhere.
What has feldspar in it?
Feldspar can be found in many things, including soap
What minerals is a silicate Gematite Feldspar Calcite Halite?
Feldspar
