Orthoclase - Wikipedia
Orthoclase, or orthoclase feldspar (endmember formula K Al Si 3 O 8), is an important tectosilicate mineral which forms igneous rock. The name is from the Ancient Greek for "straight fracture", because its two cleavage planes are at right angles to each other.
Orthoclase Mineral Physical-Optical Properties, Uses, Occurrence
2023年4月23日 · Orthoclase is the potassium-bearing end member of the potassium sodium feldspar solid-solution series. It is a major component of granite its pink crystals.
Orthoclase: Pink granite, Mohs hardness and moonstone - Geology.com
Orthoclase is a feldspar mineral with a chemical composition of KAlSi 3 O 8. It is one of the most abundant rock-forming minerals of the continental crust. Orthoclase is most widely known as the pink feldspar found in many granites and as the mineral assigned a hardness of "6" in the Mohs hardness scale. Orthoclase has several commercial uses.
Orthoclase Mineral Data
Intrusive and extrusive igneous, and metamorphic rocks. Common world wide occurrences. Link to MinDat.org Location Data. From the Greek orthos - "right" and kalo -" I cleave" in allusion to the mineral's right angle of good cleavage. Comments: Striated, dark violet crystal of lorenzenite in cream-colored orthoclase.
Orthoclase | Feldspar, Silicate, Mohs Scale | Britannica
Orthoclase, common alkali feldspar mineral, a potassium aluminosilicate (KAlSi3O8); it usually occurs as variously coloured, frequently twinned crystals in granite. Orthoclase is used in the manufacture of glass and ceramics; occasionally, transparent crystals are cut as gems.
The Mineral orthoclase - The Mineral and Gemstone Kingdom
Detailed description, properties, locality information guide about the potassium feldspar mineral orthoclase and adularia.
The 12 Different Types Of Feldspar (With High-Quality Photos)
2024年1月26日 · Orthoclase is a type of feldspar that’s known for its beautiful crystals. It’s mainly made up of potassium, aluminum, and silicate, which give it some interesting properties. This mineral can be found in a range of colors, from colorless and white to shades of pink and red.
Orthoclase thin section - Tectosilicates - MicROCKScopic
Orthoclase thin section photomicrographs are taken in plane-polarized light and cross-polarized light, and can easily be recognized under the microscope.
Twinning: Common as simple, contact, or penetration twins according to the Carlsbad, Baveno, or Manebach laws. Physical Properties: Cleavage: Perfect on f001g and partings on f110g, and Fracture: Conchoidal to uneven. Tenacity: f010g; f100g, f110g, Brittle. Hardness = 6{6.5 D(meas.) = 2.55{2.63 f201g. Optical Properties: Transparent to translucent.
Orthoclase | AlKO8Si3 | CID 3080680 - PubChem
Orthoclase | AlKO8Si3 | CID 3080680 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.