celestite


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Words related to celestite

a mineral consisting of strontium sulphate

References in periodicals archive ?
Elution of reactive components subject to ion-exchange or buffering by mineral equilibria (such as shown to operate for strontium and sulphate by celestite) requires extended experimental times of >1 year for such tight clayey rocks.
The fossil invertebrates are generally fragmentary, showing dissolution, replacement by calcite and celestite, and aragonite-calcite neomorfism processes.
This subgroup consists of aragonite marble, agri-clay, silica sand, gypsum, lime stone, ordinary stone, rock salt, coal, copper, copper blister, Iron ore, bauxite, barites, bentonite, celestite, china clay, chalk, chromites, dolomite, laterite, feldspar, fire clay, fluorite, fuller"s earth, magnesite, manganese, ochres, ordinary sand, soap stone, sulphur, erby stone, phosphate, allied services, minerals exploration establishments, natural gas, and crude oil.
Sales of copper ore also increased considerably in the first quarter, up to 77 percent over the same period of 2012, bringing in USD 185,5 million, according to the IMMIB report.Turkey possesses known deposits of 77 of the 90 marketable minerals, most notably boron, feldspar, marble, baryte, celestite, emery, limestone, magnesite, perlite and pumice.
Celestite is used in signal rockets and flares, tracer bullets, cathode ray tube, transportation warning-fused and fire-works.
Strontium commonly occurs in nature, the 15th most abundant element on earth, averaging 0.034% of all igneous rock and is found chiefly as the form of the sulfate mineral celestite (SrS[O.sub.4]) and the carbonate strontianite (SrC[O.sub.3]).
* Strontium sulphate (SrSO4) celestite, [Sr.sup.2+] from the formation brine and S[O.sub.4.sup.2-] ions from the injected sea water.
HUMBERT-LABAUMAZ (1982) La celestite de Madagascar.
The 47 sites to be awarded for mine exploration are located in 21 provinces, and concern 9 mineral matters: gypsum (9 sites), marble, decorative stones and clay (8 sites each), aggregate and sand (7 sites each), tuff (5 sites), barite, celestite and salt (1 site each).AaAa
Some chapters, such as the one on celestite and strontianite, are only two pages long, listing their seven uses.
Occurrences of nonmetallic minerals include bauxite, barite, celestite, corundum, gypsum, and coal.
There are radiolarians with a silicon skeleton, foraminifera with calcareous tests, and acantharians, which have an external skeleton of celestite, strontium sulfate (SrSO4), a material that is hard and compact in the living acantharian, but which soon dissolves when it dies.
The chemical composition of the scale and sludge analyzed consists of varying concentrations of the barium and strontium end members of the barite to celestite solid solution series.