 | | Book | | pyrope properties Bibliography 50 50 4 Almandine 52 Modern almandine chemistry: Fe 3 Alz(SiO4h Optical and...properties 57 Almandine absorption spectra 58 Almandine colours 59 Almandine inclusions 60 Almandine sizes 62...62 Almandine occurrence 63 Almandine sources 63 Almandine phenomena stones 65 Summary of almandine properties...75 Other pyrope-almandine intermediates ('Pyrandine') 76 Intermediate pyrope-almandine and pyrope-spessartite...Rl (range) Dispersio11 SG (range) Hardness Almandine 1.780-1.820 0.027 3.95-4.30 7½ Andradite 1 |  | | Report (issue) | | Fe2+ 3 Al2 (SiO4 )3 Almandine c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Cubic. Point...In Brazil, at Pernambuco, Bahia. From the Miami district, Zimbabwe. At Broken Hill and Thackaringa, New...and the Ishikawa district, Fukushima Prefecture, Japan. Name: For Alabanda in Turkey, a cutting center |  | | Journal (article/letter/editorial) | | gemstone, from biblical times to the present day. Almandine ( Fe 3 A l 2 Si 3 O 1 2 ) was named by Pliny the...alabandicus, in reference to a stone found in Alabanda (Anatolia, Turkey). The name spessartine (Mn3Al 2 Si3O12...alexandrite effect have been reported from the Bekily province of Madagascar. Crystal-chemical interactions of...is responsible for the brown tint in pyrope– almandine garnets. Cr3+ in the octahedral Y site gives rise... Tanzania. (B) Two reddish brown crystals of almandine on matrix, from Fanny Gorge mine, Spruce Pine |  | | Journal (article/letter/editorial) | | pohwatp@si.edu Alabandite Uchucchacua Mine, Oyon Province Lima Department, Peru T he Swedish chemist Carl...type locality given as the ruins of Alabanda in Asia Minor, now Turkey. In fact, most mineral references...name appears to be a mix-up with the garnet name almandine. In the mat- Paul W. Pohwat is the collections...rhodochrosite from the Uchucchacua mine, Oyon Province, Lima Department, Peru; the largest individual...enthusiast the Sunnyside mine, in the Silverton district of San Juan County, Colorado, has produced specimens |  | | Leaflet/flyer | | waste rock dumps at the nearby Robinson Mining District. &® Garnets can be found in two different ways...‘aa Garnet Hill gems are of Almandine, named after Asia Minor. Almandine aluminum-silica-oxygen the...the variety known as Alabanda, an ancient town in garnets are composed of iron- (chemical formula= _ Fe...(deep red to reddish black, sometimes purple), Almandine (deep red to brown), Grossular (colorless, white...Range 65 East; Hampton Creek (industrial-grade _ almandine garnets in placer deposits) near the Utah border |  | | Journal (article/letter/editorial) | | V. MEMBERS OF T H E G A R N E T GROUP Common Almandine Fe Al (Si0 ) Andradite Ca Fe Grossular Ca...Uvarovite Specific Gravity: 3.58 (Pyrope) to 4.32 (Almandine) Titanium members from Magnet Cove, Occurrence...585 T H E GARNETS ALMANDINE, syn. Almandite. The name is derived from Alabanda where garnets were cut...cut in ancient times. Almandine is a common garnet, brownish red in color. It is important for use as...deep red almandine is often of gem quality and has been cut as "carbuncles", etc. Almandine crystals |  | | Report (issue) | | the Wessels Mine near Hotazel in northern Cape Province, South Africa. Dan Carlson specimen; Jeff Scovil...Objects BY INGRID S. WEBER 22 Classic Garnets: Almandine BY GLORIA STAEBLER AND PAUL POHWAT 28 New England...various members). Of these fifteen species, six almandine, andradite, grossular, pyrope, spessartine, and...constitute the "pyralspite" group, named for pyrope, almandine, z and spessartine. Those with Ca + in the X-site...between pairs of end-members: pyrope and almandine or almandine and spessartine. The same occurs within |  | | Journal (article/letter/editorial) | | or jacinth for brownish-red gemstones. Almandine is from Alabanda, an ancient city in Asia Minor said to...article, which is more true to the original usage. Almandine is the preferred spelling for the species, but...the Z site, tetravalent (mainly Si4+). Taking almandine, Fe Al,(SiO,),, as a typical example of a garnet...of iron for magnesium (solid solution toward almandine); or to as (Mg,Ca,Fe2+,Mn2+),(Al,Cr3+,Fe3+,Ti4+)...Si4+ F2 AP+ AP+ + + + + + + + + Pwpe Almandine Spessartine Grossular Andradite Uvarovite Goldmanite |  | | Book | | with mining in the Karonge Complex, Bujumbura Province. Minerals such as monazite and bastnasite are...artisanal miners in central Rwanda. In Rusizi District, Western Province, gem-quality pink and green tourmaline...basaltic host rocks near Cyangugu, also in Rusizi District (Krezemnicki et al., 1996). Rwanda's mineral wealth...ore deposits, forming a so-called metallogenic province that contains the economic deposits (Dewaele etal... accessedjune 2018). Copper occurs in Mbarara District and the Karamoja Subregion, while copper and associated |  | Grew, E. S., Locock, A. J., Mills, S. J., Galuskina, I. O., Galuskin, E. V., Hålenius, U. (2013) Nomenclature of the garnet supergroup. American Mineralogist, 98 (4) 785-811 doi:10.2138/am.2013.4201 | Journal (article/letter/editorial) | | garnet supergroup. The so-called “tetragonal almandine-pyrope phase” (TAPP) has the stoichiometry, but...Al2 Si3 O12 2+ Spessartine Mn 3 Al2 Si3 O12 2+ Almandine Fe 3 Al2 Si3 O12 Eringaite Ca3 Sc2 Si3 O12 3+...WNoZ/M/9/19. Evgeny Galuskin photograph. (e) Almandine, end-member formula {Fe3}[Al2](Si3)O12: a crystal...Spessartine (Mn )3Al2(SiO4)3 {Mn2+ 3 }[Al2](Si3)O12 2+ Almandine (Fe )3Al2(SiO4)3 {Fe2+ 3 }[Al2](Si3)O12 Eringaite...for a multisite OH substitution in spessartine-almandine garnets from Brazilian pegmatites, leaving the |  | | Journal (issue) | | Stefano & J. K. Brizendine The Garnet Ledge almandine deposit near Wrangell, Alaska ..............685...the C+echofracht shipping company in Istanbul, Turkey, and from there emigrated with his family to America...as a civil engineer for the Metropolitan Water District. While working in the desert on the electric transmission...collecting; they took field trips to the Mesa Grande district, the Crestmore quarry, and other localities, and...state is intersected by the Findlay Arch mineral district. The area is characterized by a continental temperate |  | | Journal (issue) | | crystals in this specimen from the Hansonburg district (Socorro County, New Mexico). brain, nervous...(Teniente mine) in Chile. The Wuning mine, in Jiangxi Province, China, has produced fine examples of stibnite...China. Portugal (Panasqueira mines, Castelo Branco district) is in the Dave alters, cellular molecules, which...keys to safely ponent of stibnite. The Manhattan district in Nye County, Nevada, collecting and handling...the great silver mines of the Comstock Mining district in Nevada. Square-set timbering became the standard |  | | Journal (issue) | | inclusions. СgophоtolиmiпеsceRе (77К). Liaonin Province, China. Specimen: Yana Baa. (right) Photoluminescence...crystal (about З т т across) with vacuoles. Liaonin Province, China, Specimen: Yana Bao. (left) Laser luminescence...vacuoles and mineral inclusions (10'). Liaonin Province, China. Specimen: Boo Yana. (left) Luminescence...found among the Chinese crystals from the Liaonin Province, Northeastern China (samples of these crystals...offtne (0.5 mu across) diamond crystals. Liaonin Province, China. Specimen: Yana Boo. Phosphorescence of |  | | Journal (volume) | | carbuncle, of course, was a red garnet, probably an almandine. Today that sum is a great price to pay for a...as pyrope and the crimson violet-red known as almandine or carbunc le, were highly favored. faceted or...the rarest and most beautiful, is the softest; almandine, one of the most plentiful, is the hard In his...constellation normally the l ightest in density, almandine gen Aquarius. Kunz also included garnet as among...blood-colored stone would inflict In four garnets, almandine, pyrope, spessartite and a more deadly wound than |  | | Journal (issue) | | underlain by the Sierra Madre Occidental Volcanic Province (McDowell and Clabaugh, 1979), and the hyalite...2010. Playof-color opal from Wegel Tena, Wollo Province, Ethiopia. Gems & Gemology, 46(2), 90–105, http://...spectrum of the fourth intaglio corresponded to almandine with some vibrational bands for spessartine. The...However, spectra from the aluminian series pyrope-almandine-spessartine fit well with Ancient Beads and Intaglios...spectrum with vibrational bands belonging to almandine and subordinate spessartine. Inset photo by I |  | | Thesis/Dissertation | | chemistry is described using the end-members pyrope, almandine, spessartine, andradite, grossular, and uvarovite...andradite) and pyralspite (pyrope, spessartine and almandine). The chemistry of the pyralspite species was...pyrope-andradite, spessartine-grossular, and almandine-grossular. This study concluded that refractive................................... 17 2.5.2. Almandine ...................................................................... 21 2.5.3.1.2.3. Kerman Province, Iran and Kaghan Valley, Pakistan ........... |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...such as Porcupine and Hemlo districts; Noranda district, Quebec. USA: Mother Lode belt and others in...Localities Canada: Cobalt mining district and Thunder Bay District, Ontario. USA: several localities... Wire silver, Silver Islet Mine, Thunder Bay District, Ontario, Canada * 11.5 x 14x 11 om Silver has...xe2e0x Gem Copper, New Cornelia (Ajo) Mine, Ajo district, Arizona, USA 6 Keo lecm LEFT: Au (China, Eastern |  | | Book (edition) | | TOURMALINE BROWN TOURMALINE ALEXANDRITE ANDALUSITE ALMANDINE a B C D GARNET E b ZIRCON a B c D BOARD...which no space could be But there is one rich district allotted in an elementary handbook. to which...spectroscopy me the absorption- drew for spectra of almandine and of zircon, reproduced in the coloured frontispiece...refracting ... 2-417 Ruby Pyrope ; this : Almandine . .may be seen from in different species brief... sinks, Should it it may be not sink, almandine, spessartite it is transferred with due precautions |  | | Journal (issue) | | the ancients, deriving its name Almandine from the place of Alabanda, where the carbuncles of Pliny were...precious stones, are situated in the narrow desert district south of Death Valley, almost at the point where...prehistoric turquoise beds. Some portions »f the district show only turquoise veins, while a few miles away...specimens, 2x2, 55c Meerschaum or Sepiolite from Turkey, in the natural for Pyrolusite, Germany, bladed |  | | Book (edition) | | for affairs of to-day. Ceylon could be rich district minerals and the traffic in them in that island...C. notes A. largely absorption-spectra of almandine and I have MacMunn indebted. much , to .... some of refraction seen Phenakite .. Almandine may be 1.98 .. very quality chapter vii...lead Flint .. glass Hessonite Pyrope .027 Almandine .024 Spinel light may If light, freely traversing...Emerald .. .. .. Phenakite •• Andalusite Almandine • • Iolite •• Cinnamon stone .. There |  | | Book (edition) | | seems handbook gem-stones stones remains be district what present while the but in could rich...help of prefatory Dr. C. A. are largely almandine and Although more it constitutes now, important...Chrysoberyl . flint . . all are Diamond Almandine to polished or and glass beautiful measurements...this 7‘3 . Peridot • # • 8-o Tourmaline Almandine stone 7-8 . Aquamarine Iolite 10*0 . Spinel...will with hot water and sunk in not is A) almandine, be ruby, sapphire, possibly a to belong |  | | Book (volume) | | the front. ‘Bezel B’ (see SHAPES 1). Usually almandine or cornelian. The sealing surface is convex towards...constituting a special shape. The typical materials are almandine, amethyst and rock-crystal. The following notes...SHAPES IV) which retains its ancient bezel, an almandine garnet of “Bezel C’ shape. This ring is no doubt...particularly ‘Bezels A’ and ‘B’, in onyx and almandine: third to fourth centuries A.D. (2) Pierced and...observed that there is no stone harder than the almandine garnet—not only, despite the apparent assertions |  | | Book | | forms part of an important and extensive mining district. Details of the names of species are taken largely...Found at the Pelican Dives mine, Silver Plume district, and Little Emma mine, Clear Creek County, Colorado...crystals are found in cavities in limonite. V 62 Almandine Fe,Al2(Si04), Garnet group Hardness 7-7.5 Specific...minerals dodecahedra, icositetrahedra or Name From Alabanda (Asia combinations; sometimes Minor), thought...formless lumps centre for garnet fashioning Almandine is found in schists, gneisses and other metamorphic |  | | Book (edition) | | red garnet, but in the in the advantage of almandine. a Observer” for series of black Quite recently...to consist of Creek, two mole- molecule of almandine, shows the one characteristic spectrum of the...Peridot . . . 8.0 . stones, stone stone . Almandine the . Jadeite Phenakite As Iolite . Tourmaline...FOUR ABOVE. THREE The AND Zircon • . . Almandine Sapphire , . • . 5.2 Chrysoberyl 4.6 ...employdichroic a indigo spinels, or dark-coloured almandine with of fair peridots size advantageously | | | Book (edition) | | stones, polished HARDNf SS. HARDNESS. • . Almandine OF OF 7-8 . Phenakite As of the garnet...ABOVE. Haematite Zircon ■ . • . , ■ Almandine . . Sapphire • . be the concerning stone... a indigo spinels, or small dark-coloured almandine also with black and white enamel; fair size... carefully studied. Violet and Purple and almandine the associated with The paler coloured sorts...diamond troy carat - •2059 the as in different Turkey .... be, a •213s .... but become, according |
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