ETIMOLOGIA CUVÂNTULUI PYROPE
(Used loosely of a red gem; modern sense C19): from Old French pirope, from Latin pyrōpus bronze, from Greek purōpus fiery-eyed, from pur fire + ōps eye.
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pyrope în următoarea selecție bibliografică. Cărți în legătură cu
pyrope și extrase din aceasta pentru a furniza contextul de întrebuințare al acestuia în literatura Engleză.
1
Rock-Forming Minerals: Orthosilicates, Volume 1A:
Pyrope Mg3Ai2[Si3012] Chemistry The magnesian garnet pyrope is not found in
a pure state as a natural mineral, but when it occurs as the dominant molecule in
garnets they normally also contain appreciable almandine and small amounts of
...
William Alexander Deer, Robert Andrew Howie, J. Zussman, 1982
2
Earth Processes: Reading the Isotopic Code
Pyrope, phengite (Si3 55), talc, coesite, and jadeite are the constituents of the
UHP- metamorphic mineral assemblage. The Si-contents of phengites used for
geobarometry [Massonne and Schreyer, 1989] yield 37 kbar at a temperature of ...
Asish Basu, Stan Hart, 1996
3
Diamond Deposits: Origin, Exploration, and History of Discovery
Garnet xenocrysts recovered from kimberlite include yellow-orange Na-Ti
eclogitic pyrope-almandine garnet; slight reddish, purple-red, gray-lavender, and
purple to lavender peridotitic pyrope; green knorringite-uvarovite pyropes; and
pink, ...
Edward Erlich, W. Dan Hausel, 2002
4
Gems and Gemstones: Timeless Natural Beauty of the Mineral World
Pyrope Garnet system Inorganic class Silicate grouP Garnet subgrouP Pyralspite
sPecies Pyrope gem varieties blood-red Pyrope; rhodolite (raspberry-red
intermediate between Pyrope and Almandine) Pyrope is another of the red
Garnets ...
Lance Grande, Allison Augustyn, 2009
5
Gems: Their Sources, Descriptions and Identification
Large near end-member pyrope crystals from the Dora Maira Massif, Western
Alps, Italy, have absorption spectra that suggest the colour is related to Fe2 (
bands around 495, 501–503, 521–524 and 575–579 nm) and Mn2 (363–365,
398, ...
6
Field Guide to Rocks & Minerals of Southern Africa
Pyrope forms attractive pink, pink-red orange-red to purple-red dodecahedral
crystals. Rhodolite is a red-violet variety of pyrope that is used as a gemstone.
OCCURRENCE Pyrope occurs in ultramafic rocks, kimberlites and alluvium
therefrom ...
7
Ultrahigh Pressure Metamorphism
The Pyrope-bearing Whiteschist The type locality of the whiteschist is the famous
outcrop of Case Ramello, Val Po (Fig. 7.3), where it was originally found by
Vialon (1966) and described as a "pyrope-bearing nodular pegmatite." Chopin ...
Robert G. Coleman, Xiaomin Wang, 2005
8
High-pressure Research: Application to Earth and Planetary ...
L, liquid; Ol, olivine; Opx, orthopyroxene (Ca- poor); Gar, pyrope garnet. A small
amount of clinopyroxene and spinel exist in subsolidus phase. The lines of Ol-in,
Gar-in and Opx-in are the boundary across which the corresponding mineral ...
Yasuhiko Syono, Murli H. Manghnani, 1992
9
Phase Diagrams for Geoscientists: An Atlas of the Earth's ...
In order to obtain additional constraints on the mixing properties of the ma- jorite-
pyrope garnet, Gasparik [15] determined the compositions of garnet coexisting
with clinoenstatite in 10 experiments at 1450- 1650°C and 10-16.5 GPa (Table
3.3 ...
10
8th International Kimberlite Conference: The C. Roger ...
Compositionally, the following groups (after Dawson and Stephens, 1975) can be
distinguished (Table 4): 1 . Orange calcic pyrope-almandine (G-3 group) with
MgO 11-12 wt.%, Mg# 50.8-57.0, FeO 16-20 wt.%, and low Cr2O3 (0.01-0.14 wt.
ȘTIRI NOI CARE INCLUD TERMENUL «PYROPE»
Află ce ziare naționale și internaționale au scris despre și cum este întrebuințat termenul
pyrope în contextul următoarelor știri.
Botswana Malatswae Diamond Project: Pangolin Reports Positive …
In addition to ilmenite, pyrope garnet and chrome diopside grains were also recovered. The remnants of fragile reaction rims on many of the indicators, ilmenite ... «Azomining, Iul 15»
Pangolin Receives Positive Kimberlite Indicator Analyses for …
In addition to ilmenite, pyrope garnet and chrome diopside grains were also recovered. The remnants of fragile reaction rims on many of the indicators, ilmenite ... «Junior Mining Network, Iul 15»
Garnet Market - Global Industry Size, Share, Trends Analysis and …
Almandine, spessartine, grossular, uvarovite, andradite and pyrope are six minerals which are regarded as belonging to the garnet family. Pyrope is the only ... «Digital Journal, Iul 15»
Pangolin Updates Malatswae Diamond Project, Botswana
In addition to ilmenite, pyrope garnet and chrome diopside grains were also recovered. Many ilmenite and several pyrope grains have remnants of fragile ... «Benzinga, Iun 15»
Discover the garnet market - global industry share, size, segments …
Almandine, spessartine, grossular, uvarovite, andradite and pyrope are six minerals which are regarded as belonging to the garnet family. Pyrope is the only ... «WhaTech, Iun 15»
Une station sismologique mobile à Eus
Cette installation s'inscrit dans le projet Pyrope (Pyrenean observational portable experiment). Le chef de l'Observatoire Midi-Pyrénées, Sébastien Chevrot, ... «L'indépendant.fr, Iun 15»
North Arrow Discovers Three New Kimberlites at the Pikoo Diamond …
... The most significant discovery is kimberlite PK314 in the North Pikoo area, located immediately up ice from a high priority pyrope garnet anomaly. PK314 has ... «Junior Mining Network, Mar 15»
Botswana Diamonds to intensify Orapa exploration
Kimberlitic Indicator Minerals (KIMs) such as garnets, picroilmenites, chrome diopsides and pyropes were compared with the 'fingerprint' of the same minerals ... «Creamer Media's Mining Weekly, Mar 15»
Asante Gold Corporation: Kubi Joint Venture-Conditional Approval
Furthermore electron microprobing of these indicator mineral grains demonstrated the existence of high chrome, low calcium G10 pyrope garnets that are ... «Junior Mining Network, Feb 15»
Victor A. Syrnev wins Golden A' Design Award with original ring design
Victor A. Syrnev, the creative mind behind the awarded ring design The Empress said “The Empress Ring features, pyrope which is a beautiful previous stone ... «PR Web, Aug 14»
