O QUE SIGNIFICA SPHENE EM INGLÊS
Titanite
Titanite, ou sphene (do grego sphenos (σφηνώ), que significa cunha), é um mineral de nesosilicato de titânio cálcio, CaTiSiO5. Trace impurezas de ferro e alumínio estão tipicamente presentes. Também comumente presentes são os metais das terras raras, incluindo cerio e ítrio; O cálcio pode ser parcialmente substituído pelo tório.
definição de sphene no dicionário inglês
A definição de sphene no dicionário é um mineral lustroso marrom, amarelo, verde ou cinza constituído por silicato de titânio cálcio em forma cristalina monoclínica. Ocorre em rochas ígneas metamórficas e ácidas e é usada como uma pedra preciosa. Fórmula: CaTiSiO5 Também chamado: titanite.
10 LIVROS EM INGLÊS RELACIONADOS COM «SPHENE»
Descubra o uso de
sphene na seguinte seleção bibliográfica. Livros relacionados com
sphene e pequenos extratos deles para contextualizar o seu uso na literatura.
1
Geology of Titanium-mineral Deposits
Increasing temperature and pressure Greenschist facies Amphibolite facies
llmenite + sphene Sphene Sphene Figure 2. Schematic relation of rutile, ilmenite,
and sphene occurrence to composition and grade in metamorphic rocks. Circled
...
2
Rock-Forming Minerals: Orthosilicates, Volume 1A:
sphene (see Fig. 229, p. 454). Chemical analysis of the type material gave SiO2
21-26, SnO2 58-48, CaO 19-14, ign. loss 0-50, total 99-38 per cent; other
analyses are given by John (1967), Miyahisa et al. (1975) and Ogawa (1975)
indicating ...
William Alexander Deer, Robert Andrew Howie, J. Zussman,
1982
3
The Book of Stones: Who They Are and What They Teach
Even as Sphene stimulates the mind, it also empowers the will. As a brilliant
stone of the pure Golden Ray, it can activate the solar-plexus chakra, increasing
one's capacity to manifest one's projects, dreams and desires. Its energy in this
area ...
Robert Simmons, Naisha Ahsian,
2007
4
Gems: Their Sources, Descriptions and Identification
Sphene is CaTiSiO5. The name titanite is universally used by mineralogists today
. It forms characteristically wedge-shaped crystals of the monoclinic system;
cleavage is good rather than perfect but crystals may show parting due to
twinning.
5
Tectonics of the Coast Mountains, Southeastern Alaska and ...
LOCATION, MINERALOGY AND PROTOLITH CHARACTERISTICS OF ISOTOPE
SAMPLES Hornblende, biotite, plagioclase, quartz, diopside (sphene, zircon,
apatite) Quartz, plagioclase, biotite, hornblende, diopside (garnet, sphene, zircon
, ...
Harold Hilton Stowell, William C. McClelland,
2000
6
Geological Survey Professional Paper
Sphene is a common accessory mineral here and in many other plutonic rocks of
the southern Antarctic Peninsula. Chemical analyses and CIPW norms (table 2)
show that the west Wegener Range batholith and other plutons in the southern ...
Geological Survey (U.S.),
1988
7
U.S. Geological Survey Professional Paper
... hornblende gabbro and diorite, hornblende-biotite-sphene tonalite and
granodiorite, porphyritic biotite-hornblende monzogranite, and coarse-grained,
nonporphyritic biotite monzogranite, all of which are foliated to varying degrees.
8
Architecture of the Central Brooks Range Fold and Thrust ...
forms monominerallic veins that crosscut epidote + amphiboleii + sphene veins.
These relations indicate that albite formed at a relatively late stage in the
metamorphic history of the Clara Creek eclogite. Chlorite Chlorite is also a late-
stage ...
John S. Oldow, Hans G. Avé Lallemant,
1998
9
New Zealand Journal of Geology and Geophysics
Tungsten : The mass lines for the isotopes of this element are visible in the
spectrum of the bulk sample and quite prominent in the sphene, which is
evidently the host for this element, in the form of the We ion, which has a radius
close to that of ...
10
Heat Capacity of High Pressure Minerals and Phase Equilibria ...
of sphene in marbles. The AHf value of Xirouchakis et al. (1997b) combined with
the current sphene heat capacity places the calcite breakdown reaction at
temperatures too low for greenschist fades occurrences of rutile-calcite-quartz.
10 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «SPHENE»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
sphene no contexto das seguintes notícias.
Original-Research: Ludwig Beck AG (von Sphene Capital GmbH): Buy
Der erste Finanzbericht, in dem Wormland voll konsolidiert wird, wird erwartungsgemäß von erheblichen Einmaleffekten überlagert. Dennoch ist erkennbar ... «boerse.de, jul 15»
Original-Research: Klassik Radio AG (von Sphene Capital GmbH)
Drei Themen standen bei der Hauptversammlung im Mittelpunkt: Die unerwartete Aussetzung der Dividende, die anhaltende Digitalisierung des Hörfunks und ... «OnVista, jul 15»
Original-Research: Alfmeier Präzision AG - von Sphene Capital GmbH
Seit Jahresbeginn konnte die Alfmeier-Anleihe um 4,0% zulegen und notiert mit 110,00% inzwischen in der Nähe ihres Allzeithochs. Mit einem ... «Finanztreff, jul 15»
Original-Research: Solutions 30 SE (von Sphene Capital GmbH): Buy
Kontakt für RückfragenPeter Thilo Hasler, CEFA+49 (89) 74443558/ +49 (152) 31764553peter-thilo.hasler@sphene-capital.deSusanne Hasler, CFA+49 (89) ... «Investing.com Deutsch, jul 15»
Jupiter Gem is the Ultimate Destination for the Most Colorful …
The company is highly recognized for the supply of different types of gemstones like Alexandrite, Sphene, Tsavorite, Tourmaline, White Sapphire, Diamond, ... «Press Release Rocket, jul 15»
Original-Research: Adler Modemärkte AG (von Sphene Capital …
Im saisonal für Adler Modemärkte eher ertragsschwachen ersten Quartal ergaben sich Belastungen aus einem gedrückten Textil-Einzelhandelsumfeld und den ... «Finanztreff, mai 15»
Original-Research: Enterprise Holdings Ltd. (von Sphene Capital …
Enterprise Holdings plant die Begebung einer Folgeanleihe mit einem Volumen von bis zu EUR 85,0 Mio. am Entry Standard der Frankfurter Wertpapierbörse. «OnVista, mar 15»
Gemstone business: Between a rock and a hard place
Apart from the famous stones mentioned earlier, good quality zircon, different varieties of quartz, aquamarine, tourmaline, sphene, spinel, zoisite apatite, epidote, ... «The Express Tribune, fev 15»
Coloured gemstones coming into their own after being outshone by …
... seller Madagascar Gems, the small-scale gemstone mines – located mostly in the country's northern jungles – yield sphene, emerald, amethyst, aquamarine, ... «Creamer Media's Mining Weekly, fev 15»
Pakistan's exports of mineral products stand at over 2.3 metric tonnes
... vermiculite, as well as gemstones including peridot, aquamarine, topaz, ruby, emerald, bastnaestie, xenotime, sphene, tourmaline and quartz are are minerals ... «Customs Today Newspaper, dez 14»