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Miscellaneous Mineral Specimens


1 flat qty 40 pcs miscellaneous minerals

SKU: RNBMM-BX-1 Category: Tag:


Flats of Miscellaneous minerals

Various minerals typically occurs in the oxidized or weathered zone above zinc ore occurrences.

Pure adamite is colorless, but usually it possess yellow color due to Fe compounds admixture. Tints of green also occur and are connected with copper substitutions in the mineral structure. Olivenite is a copper arsenate that is isostructural with adamite and there is considerable substitution between zinc and copper resulting in an intermediate called cuproadamite. Zincolivenite is a recently discovered mineral being an intermediate mineral with formula CuZn(AsO4)(OH). Manganesecobalt, and nickel also substitute in the structure. An analogous zinc phosphate, tarbuttite, is known.


Adamite occurs as a secondary mineral in the oxidized zone of zinc- and arsenic-bearing hydrothermal mineral deposits. It occurs in association with smithsonitehemimorphitescoroditeolivenitecalcitequartz and iron and manganese oxides.

The yellow to bright lime-green colored crystals and druze along with its distinctive fluorescence make adamite a favorite among mineral collectors. Found in Mapimí, DurangoMexicoGreece; and California and Utah in the United States.

Adamite was named after the French mineralogist Gilbert-Joseph Adam (1795–1881). It was first described in 1866 for an occurrence at the type locality of ChañarcilloCopiapó ProvinceAtacama RegionChile.

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