|
Definition of Sphene
1. n. A mineral found usually in thin, wedge-shaped crystals of a yellow or green to black color. It is a silicate of titanium and calcium; titanite.
Definition of Sphene
1. Noun. (minerology) titanite ¹
¹ Source: wiktionary.com
Definition of Sphene
1. a mineral [n -S]
Medical Definition of Sphene
1.
Lexicographical Neighbors of Sphene
Literary usage of Sphene
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Dictionary of Chemistry and the Allied Branches of Other Sciences by Henry Watts (1869)
"In the brown varieties of sphene the lime is partly replaced by ferrous oxide,
in the mineral ... The species was formerly divided into sphene and titanite, ..."
2. A System of Mineralogy: In which Minerals are Arranged According to the by Robert Jameson (1820)
"1 Prismatic Titanium Ore, or sphene *. ... Common sphene and Foliated sphene.
First Subspecies. ... The name sphene, is derived from the Greek word ..."
3. Gems by Helen Barlett Bridgman (1916)
"sphene. sphene, or titanite, is a mineral from the ore of the ... The sphene is
soft, only 5 to 5.5, lustre adamantine to resinous, and cuts with difficulty ..."
4. Edinburgh New Philosophical Journal, Exhibiting a View of the Progressive by Robert Jameson, Sir William Jardine, Henry D Rogers (1845)
"This conviction has been confirmed by the discovery of a crystal of sphene from
St Gothard, which accidentally presented cleavage faces parallel to the ..."
5. A Hand-book of Precious Stones by Meyer Daniel Rothschild (1889)
"sphene or titanite is also a brittle mineral, 5 to 5.5 in hardness; specific
gravity, 3.4 to 3.56; transparent, doubly refractive; lustre, adamantine to ..."
6. The Proceedings of the Linnean Society of New South Wales by Linnean Society of New South Wales (1894)
"85, Professor Liversidge, FRS, refers as follows to the occurrence of a single
isolated specimen of the above mineral : " sphene. A calcium silico-titanite. ..."
7. Manual of Mineralogy and Petrography: Containing The Elements of the Science by James Dwight Dana (1887)
"Like sphene in composition, but orthorhombic. ... Related to sphene; brownish
black, with a grayish brown powder; G. = 3'69; H. = 6 5; fuses easily; ..."