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White Marble before HCl
Select options This product has multiple variants. The options may be chosen on the product page
Price range: $19.00 through $400.00
Polished K Feldspar-Epidote-Quartz-Biotite Matrix

Feldspars are a group of rock-forming tectosilicateminerals that make up about 41% of the Earth‘s continental crust by weight.[2]

Feldspars crystallize from magma as veins in both intrusive and extrusive igneous rocks and are also present in many types of metamorphic rock.[3] Rock formed almost entirely of calcic plagioclase feldspar (see below) is known as anorthosite.[4] Feldspars are also found in many types of sedimentary rocks.[5]

White Marble before HCl
Select options This product has multiple variants. The options may be chosen on the product page
Price range: $19.00 through $400.00
Polished K Feldspar-Epidote-Quartz-Biotite Matrix

Feldspars are a group of rock-forming tectosilicateminerals that make up about 41% of the Earth‘s continental crust by weight.[2]

Feldspars crystallize from magma as veins in both intrusive and extrusive igneous rocks and are also present in many types of metamorphic rock.[3] Rock formed almost entirely of calcic plagioclase feldspar (see below) is known as anorthosite.[4] Feldspars are also found in many types of sedimentary rocks.[5]