melanterite

Related to melanterite: copperas, sphalerite, Copiapite

melanterite

(mɛˈlæntəˌraɪt)

(Geological Science) a green mineral, FeSO4.7H2O, composed of hydrated ferrous sulphate

References in periodicals archive ?

The product of the reaction is the hydrous iron sulfate in two crystalline modifications: FeS[O.sub.4] x 7[H.sub.2]O (melanterite) and FeS[O.sub.4] x 4[H.sub.2]O (rozenite).

Interaction of Polyaniline with Surface of Carbon Steel

Pyrite and Mackinawita decreased, while Moscovite increased and simultaneously Spinel and Melanterite were produced.

Tostacion mejorada con microondas en muestras piriticas con propiedades dielectricas marcadamente dependientes de la temperatura

Interesting occurrences of secondary sulfates such as melanterite, gypsum and epsomite have also been reported.

Alston Moor

Mineral matter can also contain smaller amounts of gypsum (CaS[O.sub.4]?2H2O), melanterite (FeS[O.sub.4]?7H2O), and other sulfur-containing minerals.

Formation and emission of compounds affecting environment

The iron sulfate melanterite is found as colorless, water-soluble fibers; blue copper sulfate chalcanthite lamellae and blue-green aggregates of acicular crystals of the Ca-Cu-Zn sulfate serpierite (some accompanied by green spherules of cornwallite) are found at Aghbar.

Famous mineral localities: Bou Azzer, Morocco

Masses of beautiful blue crystals of post-mining chalcanthite are found in several sections of the mine, especially along the San Jose vein, growing in fissures in the rock walls or hanging from wooden beams, and these are popular with local mineral collectors, although many of their specimens of calcantita are really the more common cuprian melanterite.

Famous mineral localifies: Llallagua, Bolivia

Associated minerals include botryogen, copiapite, anhydrite, gypsum, melanterite, marcasite and sulfur.

Recently posted on axis

Other minor associated minerals include kalinite, mirabilite, alunogen, pickeringite and melanterite. Several blue and orange-colored sulfates have not been positively identified but probably include romerite, voltaite, metavoltine and chalcanthite.

The El Desierto sulfur Mine Potosi, Bolivia

Associated minerals are: melanterite, pickeringite, potassium alum, jarosite, gypsum, arsenolite, sulphur and some unknown minerals.

Abstracts of new mineral descriptions

Associated minerals are: coskrenite-(Ce), zugshunstite-(Ce), melanterite, halotrichite, pickeringite, apjohnite, epsomite and other hydrated sulfates.

Abstracts of new mineral descriptions

A relatively rare secondary mineral, botryogen occurs as thin, orange-yellow crusts up to several square centimeters in area in the Andrassy III section, associated with epsomite, melanterite and copiapite (Szakall et al., 1997).

Famous Mineral Localities: RUDABANYA, HUNGARY

Greenish brown melanterite has been found as an alteration product of iron sulfides in the Brenner mine.