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larvikite

noun
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lar·​vik·​ite | \ ˈlärviˌkīt \
variants: or laurvikite \ ˈlau̇(ə)rv-​ \
plural -s

Definition of larvikite

: an alkali-syenite rock composed chiefly of cryptoperthite or anorthoclase in rhombic crystals and widely used as an ornamental building stone

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History and Etymology for larvikite

German larvikit, from Larvik, Norway, its locality + German -it -ite

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“Larvikite.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/larvikite. Accessed 25 Feb. 2021.

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