Aureothoclase feldspar Pakistani, 1.25 carats

Technical details: Type: Orthoclase Feldspar Weight: 1.25 carats Dimensions (mm): 8.11x6.00x3.80 Shape: Cushion Color: Light yellow Clarity: Eye-clean Transparency: Transparent Hardness: 6.0-6.5 Treatment: Untreated Origin: Pakistan Certification: Certificate from Saudi Laboratory (MT) - website (www.mtgl.com.sa) Orthoclase Feldspar is a silicate mineral of aluminum and potassium (KAlSi3O8), belonging to the broad feldspar group, which is among the most abundant minerals in the Earth's crust. Orthoclase features a monoclinic crystal system, good hardness, and a distinctive nearly 90-degree cleavage. Its color often ranges between white, light gray, pink, or pale yellow. Orthoclase commonly occurs in felsic igneous rocks such as granite and syenite, and in metamorphic rocks.