yup
granite
Granite always contains the minerals quartz, feldspar (potassium feldspar or plagioclase feldspar), and mica (biotite or muscovite). These minerals give granite its characteristic appearance and properties.
Granite is a rock containing both amphibole and potassium feldspar.
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.
Yes, Granite is composed mainly of quartz and potassium feldspar
potassium-argon
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.
Feldspars are classified based on their chemical composition into three main groups: potassium feldspar, plagioclase feldspar, and sodium feldspar. Potassium feldspar includes orthoclase and microcline, while plagioclase feldspar includes albite, oligoclase, and labradorite. Sodium feldspar primarily consists of albite. Each type of feldspar has a unique mineral structure and varying ratios of sodium, potassium, and calcium ions.
Feldspar and quartz are examples of silicate minerals, which are the most common group of minerals found in the Earth's crust. They are composed primarily of silicon and oxygen, along with other elements like aluminum, potassium, and sodium.
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.
Feldspar is a group of minerals that typically includes potassium feldspar (orthoclase), which has the chemical formula KAlSi3O8. In this formula, the ratio of potassium (K) to aluminum (Al) to oxygen (O) is 1:1:8 when considering the composition in terms of K, Al, and O. This means for every one potassium atom, there is one aluminum atom and eight oxygen atoms in the structure of potassium feldspar. Other feldspar varieties, such as plagioclase, have different ratios.
barium