endmember

endmember
Either of two minerals that occur in a range of solid solutions

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  • Endmember (mineralogy) — An endmember in mineralogy is a mineral that is at the extreme end of a mineral series in terms of purity. Minerals often can be described as solid solutions with varying compositions of some chemical elements, rather than as substances with an… …   Wikipedia

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  • Serpentinite — is a rock composed of one or more serpentine minerals. Minerals in this group are formed by serpentinization, a hydration and metamorphic transformation of ultramafic rock from the Earth s mantle. The alteration is particularly important at the… …   Wikipedia

  • Biotite — is a common phyllosilicate mineral within the mica group, with the approximate chemical formula K(Mg, Fe)3AlSi3O10(F, OH)2. More generally, it refers to the dark mica series, primarily a solid solution series between the iron endmember annite,… …   Wikipedia

  • Tourmaline — Schorl Tourmaline General Category Cyclosilicate Chemical formula (Ca,K,Na,[ …   Wikipedia

  • Olivine — For the river in New Zealand, see Olivine River. Olivine General Category Mineral Group Ch …   Wikipedia

  • Jadeite — This article is about the mineral. For other uses, see Jadeite (disambiguation). Jadeite Jadeite General Category …   Wikipedia

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