accessory mineral

accessory mineral
any mineral that is present in small amounts in a rock, but is not considered to be characteristic of the rock

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  • accessory mineral —    Mineral constituents of a rock occurring in very small amounts [16] …   Lexicon of Cave and Karst Terminology

  • accessory mineral —       any mineral in an igneous rock not essential to the naming of the rock. When it is present in small amounts, as is common, it is called a minor accessory. If the amount is greater or is of special significance, the mineral is called a… …   Universalium

  • accessory mineral — …   Useful english dictionary

  • Mineral accesorio — El apatito suele ser un mineral accesorio en rocas ígneas. Un mineral accesorio es un mineral presente en rocas ígneas que no afecta a la clasificación de dichas rocas.[1] …   Wikipedia Español

  • accessory — I. noun also accessary (plural ries) Date: 15th century 1. a. a person not actually or constructively present but contributing as an assistant or instigator to the commission of an offense called also accessory before the fact b. a person who… …   New Collegiate Dictionary

  • primary mineral — ▪ mineral classification       in an igneous rock, any mineral that formed during the original solidification (crystallization) of the rock. Primary minerals include both the essential minerals used to assign a classification name to the rock and …   Universalium

  • Mineral — For other uses, see Mineral (disambiguation). An assortment of minerals. A mineral is a naturally occurring …   Wikipedia

  • accessory — accessorily, adv. accessoriness, n. /ak ses euh ree/, n., pl. accessories, adj. n. 1. a subordinate or supplementary part, object, or the like, used mainly for convenience, attractiveness, safety, etc., as a spotlight on an automobile or a lens… …   Universalium

  • accessory — ac•ces•so•ry [[t]ækˈsɛs ə ri[/t]] n. pl. ries, adj. 1) a subordinate or supplementary part or object that adds to convenience, attractiveness, safety, etc 2) clo an article of dress, as gloves or earrings, that completes or enhances one s basic… …   From formal English to slang

  • oxide mineral — Any naturally occurring inorganic compound with a structure based on close packed oxygen atoms in which smaller, positively charged metal or other ions occur. Oxide minerals are common in all rock types, whether igneous, sedimentary, or… …   Universalium

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