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orthoclase

/ˈɔːrθoʊkleɪs/ /ˈɔːrθəkleɪz/
noun

Potassium aluminum silicate, KAlSi3O8, a common feldspar of igneous, plutonic, and metamorphic rocks. Orthoclase is the main feldspar of pegmatite occurrences, where it is most commonly flesh-colored. Orthoclase is used in the ceramic and glass industries and as a decorative gravel.

Examples:

geologymineralmaterialsubstancechemistry

Related Words

Visual illustration for the word "countertop" - The top surface of a counter, for preparation of food etc.
countertopnoun
/ˈkaʊntərtɑp/ /ˈkaʊntərtɔp/

The top surface of a counter, for preparation of food etc.

"I wiped the spilled milk off the countertop after breakfast. "

Visual illustration for the word "decorative" - A plant, tile, etc. intended for use as decoration.
decorativenoun
/ˈdɛkɹətɪv/

A plant, tile, etc. intended for use as decoration.

"The teacher displayed a decorative fern on her desk. "

Visual illustration for the word "silicate" - Any salt of silica or of one of the silicic acids; any mineral composed of silicates
silicatenoun
/ˈsɪlɪkeɪt/

Any salt of silica or of one of the silicic acids; any mineral composed of silicates

"Glass is made from silicate. "

Visual illustration for the word "occurrences" - An actual instance when a situation occurs; an event or happening.
occurrencesnoun
/əˈkʌrənsɪz/

An actual instance when a situation occurs; an event or happening.

"Documenting the occurrences of late arrivals helps us understand the traffic patterns around the school. "

Visual illustration for the word "feldspar" - Any of a large group of rock-forming minerals that, together, make up about 60% of the earth's outer crust. The feldspars are all aluminum silicates of the alkali metals sodium, potassium, calcium and barium. Feldspars are the principal constituents of igneous and plutonic rocks.
feldsparnoun
/ˈfɛldˌspɑr/ /ˈfɛldˌspɑːr/

Any of a large group of rock-forming minerals that, together, make up about 60% of the earth's outer crust. The feldspars are all aluminum silicates of the alkali metals sodium, potassium, calcium and barium. Feldspars are the principal constituents of igneous and plutonic rocks.

"Many countertops are made with granite, which contains feldspar, giving them their speckled appearance. "

Visual illustration for the word "aluminum" - A metallic chemical element (symbol Al) with an atomic number of 13.
aluminumnoun
/ə.ˈluː.mɨ.nəm/

A metallic chemical element (symbol Al) with an atomic number of 13.

"My bicycle's frame is made of aluminum. "

Visual illustration for the word "commonly" - As a rule; frequently; usually
commonlyadverb
/ˈkɒmənli/ /ˈkɑmənli/

As a rule; frequently; usually

"People commonly eat breakfast before going to school. "

Visual illustration for the word "industries" - The tendency to work persistently. Diligence.
industriesnoun
/ˈɪndəstɹiz/

The tendency to work persistently. Diligence.

"Over the years, their industry and business sense made them wealthy."

Visual illustration for the word "potassium" - A soft, waxy, silvery reactive metal that is never found unbound in nature; an element (symbol K) with an atomic number of 19 and atomic weight of 39.0983. The symbol is derived from the Latin kalium.
potassiumnoun
/pəˈtæsiəm/

A soft, waxy, silvery reactive metal that is never found unbound in nature; an element (symbol K) with an atomic number of 19 and atomic weight of 39.0983. The symbol is derived from the Latin kalium.

"The fertilizer contained potassium to help the plants grow stronger. "

Visual illustration for the word "pegmatite" - A coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica.
pegmatitenoun
/ˈpɛɡməˌtaɪt/ /ˈpɛɡmətˌaɪt/

A coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica.

"The geology student identified the large, interlocking crystals of feldspar and quartz in the sample, confirming it was a piece of pegmatite. "

Visual illustration for the word "metamorphic" - A rock that has been changed from its original form by subjection to heat and/or pressure.
metamorphicnoun
/ˌmɛtəˈmɔɹfɪk/

A rock that has been changed from its original form by subjection to heat and/or pressure.

"The geologist showed us a piece of metamorphic rock, explaining how intense pressure deep underground had transformed it from a sedimentary stone into something new and stronger. "

Visual illustration for the word "plutonic" - Of or relating to Pluto, the Greek and Roman god of the underworld; demonic, infernal.
plutonicadjective
/pluːˈtɒnɪk/ /pluˈtɑnɪk/

Of or relating to Pluto, the Greek and Roman god of the underworld; demonic, infernal.

"The abandoned house on the hill had a plutonic atmosphere, filled with shadows and an unsettling feeling of dread. "