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Titanite, or sphene (from Ancient Greek σφηνώ (sphēnṓ) 'wedge'), [5] is a calcium titanium nesosilicate mineral, Ca Ti Si O 5. Trace impurities of iron and aluminium are typically present. Also commonly present are rare earth metals including cerium and yttrium ; calcium may be partly replaced by thorium .
This is a list of minerals which have Wikipedia articles. ... Sphene (synonym of titanite) Stantienite (a variety of amber) Sunstone ...
Common titanium-containing minerals are anatase, brookite, ilmenite, perovskite, rutile, and titanite (sphene). [27] Akaogiite is an extremely rare mineral consisting of titanium dioxide. Of these minerals, only rutile and ilmenite have economic importance, yet even they are difficult to find in high concentrations.
Citrine “A powerful gemstone crystal in a range of deep yellows, oranges, and yellow-cream-white, the citrine gemstone is said to bring abundance and wealth into one’s life,” Salzer says.
Some minerals made into gemstones may display a chatoyancy or cat's eye effect, ... Titanite (sphene) Topaz; Tourmaline subgroup: Achroite (var.) Chrome (var.) Dravite;
Mineral symbols (text abbreviations) are used to abbreviate mineral groups, subgroups, and species, just as lettered symbols are used for the chemical elements. The first set of commonly used mineral symbols was published in 1983 and covered the common rock-forming minerals using 192 two- or three-lettered symbols. [ 1 ]
It's an enzymatic cleaner, meaning it contains natural enzymes that activate on contact with the ammonia crystals and organic matter found in pet stains. "I got this as a last resort, and I really ...
Each variety of lamprophyre may and often does contain all four minerals but is named according to the two which predominate. [1] These rocks contain also iron oxides (usually titaniferous), apatite, sometimes sphene, augite, and olivine.