feldspar

/ˈfɛldˌspɑr/ /ˈfɛldˌspɑːr/

Meanings

noun

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.

Examples :

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

Related Words

minerals noun

/ˈmɪnərəl/ /ˈmɪnərəlz/

Any naturally occurring inorganic material that has a (more or less) definite chemical composition and characteristic physical properties.

"The school science project involved identifying different rocks based on the minerals they contained, like quartz and feldspar. "

feldspars noun

/ˈfɛldˌspɑrz/ /ˈfɛlˌspɑrz/

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 granite countertops are made up of quartz, mica, and feldspars. "

appearance noun

/əˈpɪəɹəns/ /əˈpɪɹəns/

The act of appearing or coming into sight; the act of becoming visible to the eye.

"His sudden appearance surprised me."

constituents noun

/kənˈstɪtʃuənts/ /kənˈstɪtʃuəns/

A part, or component of a whole

"The ingredients, like flour and sugar, are the main constituents of the cake batter. "

aluminum noun

/ə.ˈluː.mɨ.nəm/

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

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

countertops noun

/ˈkaʊntərˌtɑps/ /ˈkaʊntərˌtɒps/

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

"She wiped the countertops clean after making sandwiches. "

contains verb

/kənˈteɪnz/

To hold inside.

"The box contains my old toys. "

potassium noun

/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. "

principal noun

/ˈpɹɪnsəpəl/ /ˈpɹɪnsəp̬əl/

The money originally invested or loaned, on which basis interest and returns are calculated.

"A portion of your mortgage payment goes to reduce the principal, and the rest covers interest."

together adjective

/təˈɡɛð.ə(ɹ)/ /təˈɡɛðɚ/

Coherent; well organized.

"The teacher's lesson plan was together, covering all the key concepts logically. "

plutonic adjective

/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. "

silicates noun

/ˈsɪlɪkəts/ /ˈsɪlɪˌkeɪts/

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

"Many rocks and minerals, like quartz and feldspar, are made of silicates. "