n
A small decorative wire basket covered in alum crystals by being dipped in a saturated solution of alum to give a sparkling effect.
n
Aluminum oxide, especially when used in mining, material sciences or ceramics.
n
The treatment of a material with a solution of alum
n
alumina; aluminium oxide
n
The triammonium salt of aurintricarboxylic acid, commonly used as a dye to detect the presence of the aluminium ion in an aqueous solution.
n
Alternative spelling of alum [An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K₂SO₄·Al₂(SO₄)₃·24H₂O).]
n
alumina, especially an abrasive product made from fused alumina
n
Abbreviation of Arsenopyrite.
n
A granular mixture of barium hydroxide and calcium hydroxide, used to absorb carbon dioxide in closed environments (such as spacecraft)
n
Any of several compounds of barium, especially barium sulphate and barium hydroxide.
n
Alternative form of barite [(mineralogy) A mineral, barium sulphate, with the chemical formula BaSO₄.]
n
Copper(II) sulfate, CuSO₄(H₂O)ₓ where x is 0-5, used as a coloring agent in glass-making and pottery and for other purposes.
n
(chemistry) A soft phosphate of iron occurring in yellowish clumps: hydrated iron aluminum phosphate oxide: (Fe,Al)₂₅(PO₄)₁₇O₆(OH)₁₂·17H₂O.
n
(mineralogy) A crude form of sodium nitrate from South America; used as a fertilizer.
n
Acronym of calcium aluminium silicate hydrate.
n
(chemistry, geology) In the Goldschmidt classification, an element such as copper that forms sulphide minerals if sufficient sulphur is available.
n
Alternative form of cheddite [Any of a class of explosives containing inorganic chlorates and organic nitro compounds.]
n
(geology) any rock containing commercially interesting amounts of copper
n
Any of several classes of silicate mineral having rings of silicate anions.
n
(mineralogy) A cobaltiferous variety of arsenopyrite.
adj
(mineralogy) Having two of the octahedral sites occupied by cations
n
(mineralogy) A form of hydroxyapatite found in bone
n
copper sulphide, used to colour glass.
adj
(mineralogy) Describing minerals containing ferrous iron
n
(mineralogy) An iron sulphide mineral with chemical formula FeSO₄·6H₂O.
n
(mineralogy) The iron-rich form of tantalite.
n
(mining) tin ore scarcely perceptible in the stone
n
Alternative form of flucan [(mining) Soft clayey matter in the vein, or surrounding it.]
n
(mineralogy) A clay mineral that is a mixed silicate / oxide / fluoride of lithium and magnesium.
n
A synthetic form of mica (that contains fluoride ions) used as nanoparticles in combination with plastics
n
(mineralogy) Any phosphate mineral that also contains halide ions.
n
(mineralogy, inorganic chemistry) anhydrous copper sulfate
n
(geology) A perox that has a kandic horizon
n
(mineralogy) An orthorhombic brownish yellow mineral containing arsenic, hydrogen, iron, and oxygen.
n
An early form of gelignite
n
A Japanese alloy of copper with a small amount of arsenic.
n
(mineralogy) A black iron-potash mica, usually found in granitic rocks in small six-sided tables, or as an aggregation of minute opaque scales.
adj
(mineralogy) Describing minerals containing lithium.
n
(mineralogy) A tetragonal iron nickel sulfide mineral that occurs as opaque bronze to grey-white tabular crystals and anhedral masses.
n
Any solid solution of magnesium with aluminium, zinc, manganese, silicon, zirconium etc that has a low specific gravity and is used in aircraft manufacture, etc.
n
(mineralogy) A silicate of magnesium, iron and aluminium, found in the upper mantle of the Earth, that stores oxygen when under intense pressure
n
(mineralogy) A triclinic white mineral containing arsenic, calcium, hydrogen, oxygen, and sodium.
n
A pigment made from stibnite and/or galena, once used in Egypt as an eye cosmetic.
n
(mineralogy) A monoclinic-prismatic light green mineral containing aluminum, hydrogen, oxygen, and phosphorus.
n
(mineralogy) A hydrated borate mineral with the chemical formula Ca₂B₆O₆(OH)₁₀ · ₂(H₂O).
n
(mineralogy) A monoclinic-prismatic light blue green mineral containing aluminum, hydrogen, iron, oxygen, phosphorus, and sodium.
n
(mineralogy) A monoclinic-prismatic mineral containing carbon, oxygen, and sodium.
n
(mineralogy) An orthorhombic black mineral containing copper, palladium, and selenium.
n
(mineralogy) A yellow mineral, one of the oxalates of iron.
n
(mineralogy) A colorless transparent mineral of the zeolite family consisting of hydrous cesium aluminum silicate and occurring massive or crystallizing in cubes.
n
(chemistry) Any of many polymeric silicate structures typically found in rocks and minerals
n
(obsolete or historical) A composition of mercury, tin, and sulphur, forming a yellow powder, sometimes used by mediaeval artists as a cheaper alternative to gold.
n
(chemistry, mineralogy, obsolete) molybdenum sulphide
n
(chemistry) Any of the naturally occurring oxides of the lanthanide metals; they are widely distributed in relatively small concentrations and are used in glassmaking, ceramic glazes etc.
n
Alternative form of raphide [(botany) A crystal of calcium oxalate, shaped like a needle, which forms as a metabolic byproduct in some plant cells.]
n
Any of a class of highly reactive metal powders.
n
Alternative spelling of sal ammoniac [(mineralogy) a rare mineral composed of ammonium chloride found around volcanic fumaroles and guano deposits.]
n
(mineralogy) Native boric acid, found in saline incrustations on the borders of hot springs near Sasso, in the territory of Florence.
n
Any of a class of strong refractory ceramics, based on the elements silicon, aluminium, oxygen and nitrogen, that are highly resistant to heat and corrosion.
n
(chemistry, geology) In the Goldschmidt classification, an element that forms alloys easily with iron and is concentrated in the Earth's core.
adj
(mineralogy) Describing minerals containing sodium
n
(chemistry) The color additive ultramarine blue, obtained by calcining a mixture of kaolin, sulfur, sodium carbonate, and carbon at high temperatures.
n
(mineralogy) A mineral with a unique chemical formula whose crystals belong to a unique crystallographic system.
n
Iron ore that contains a small amount of sulfer and which appears to have shiny or reflective facets.
n
A mixed arsenide of iron (and cobalt, nickel, and copper) produced during the smelting of lead
n
(mineralogy) A tectosilicate zeolite mineral consisting of hydrated calcium aluminium silicate, common in volcanic rocks.
n
Alternative spelling of sulfantimonite [(mineralogy) A mixed sulfide / antimonide (such as zinkenite or keeleyite)]
adj
(mineralogy) Describing minerals containing tantalum.
adj
(mineralogy) Of a mineral: containing tellurium.
n
A rare iron-nickel alloy found in a few spots on Earth.
n
(mineralogy) A rare earth mineral.
n
Any of various sands that are an industrial source of titanium minerals such as leucoxene, rutile and ilmenite
n
(mineralogy) A form of magnetite containing small amounts of titanium
n
(mineralogy) The mineral willemite.
n
(mineralogy) A salt of orthosilicic acid where the ratio of oxygen atoms united to the basic metals and silicon respectively is 1:1.
n
A dark, lustrous, heavy mineral, a source of uranium and radium.
adj
(mineralogy) Describing minerals containing divalent vanadium
n
(mineralogy) A phosphate mineral first discovered in Germany in 1858.
n
Hydrous carbonate of zinc, usually occurring in white earthy incrustations; hydrozincite.
n
Zirconia, zirconium oxide.
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