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- 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: Pink granite, Mohs hardness and moonstone
Orthoclase is the feldspar mineral of pink granite, the #6 mineral of the Mohs hardness scale, and one of the two minerals that comprise Moonstone
- Orthoclase: Mineral information, data and localities.
Orthoclase is the most common member of the series, being the dominant K-feldspar in most granite, granitic rocks and other plutonic rocks, with an intermediate cooling regime
- Orthoclase Mineral Physical-Optical Properties, Uses, Occurrence
An important rock-forming mineral, 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 give granite its typical color
- Orthoclase | Feldspar, Silicate, Mohs Scale | Britannica
orthoclase, common alkali feldspar mineral, a potassium aluminosilicate (KAlSi 3 O 8); 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 12 Different Types Of Feldspar (With High-Quality Photos)
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
- Orthoclase Mineral 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 Location: Khibiny Massif, Kola Peninsula, Russia Scale: 1 3 x 1 2 cm Comments: Carlsbad twinned crystal of orthoclase
- Orthoclase - The Foundation Feldspar | Crystal Almanac
Orthoclase is a primary rock-forming mineral that crystallizes from potassium-rich silicate melts during the cooling of granitic and syenitic magmas
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