 | | Journal (article/letter/editorial) | | Institution Washington, DC 20013 pohwatp@si.edu Crocoite Adelaide Mine, Tasmania, Australia T he mineral...in this installment of Connoisseur’s Choice is crocoite, one of the most popular species of collectors...that a reexamination of the species is in order. Crocoite has been a collector favorite since its discovery...consequently, been most eagerly sought after.” Crocoite also has an interesting history that brings together...arsenic poisoning in 1767.) The first specimens of crocoite to reach France were brought there by Louis Charles |  | | Report (issue) | | Crocoite PbCrO4 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic. Point Group:... near Olary, South Australia. From Labo, Luzon, Philippines. At Goyabeira, near Congonhas do Campo, Minas...three-dimensional refinement of the structure of crocoite, PbCrO4 . Acta Cryst., 19, 287–289. (3) Williams |  | | Journal (article/letter/editorial) | | Auburn, Alabama 36849-5305 cookrob@auburn.edu Crocoite Downloaded by [University of Windsor] at 20:49...vauquelinite, phoenicochroite, uvarovite, and crocoite. Of these, crocoite is perhaps best known, though not for...on the island of Tasmania, Australia. As such, crocoite is a fitting Connoisseur’s Choice topic coincident...Minerals from Down Under. As previously mentioned, crocoite occurs in a variety of reddish hues ranging from...fracture is conchoidal to uneven, and it is sectile. Crocoite is relatively soft with a Mohs hardness of 2.5 |  | | Report (issue) | | This book is a history of the Moros in the Philippines from the earliest times to the American occupation...32 34 SPECIAL ARTICLES Gold Dredging in the Philippines, by William Kane Mine Exploitation and the Causes...Causes of Some Mine Failures in the Philippines, A by F. 38 45 T. Eddingfield Preliminary Check...scale hitherto unknown in this industry in the Philippines; and one or two additional native smelters have...hydraulic plant to operate in erection. the Philippines. The dredge for the property on Umerai River |  | | Book | | and diamonds, but also non-gem minerals such as crocoite and rose quartz. Many rocks and minerals are sources...turns it violet-red, for instance. Chromium makes crocoite orange. Copper 1nakes azurite blue. Manganese...minerals in existence, a few of them, such as crocoite and malachite, are instantly recognizable. Many...Sulphur Autunite Carnotite Uranophane Vanadinite Crocoite Jarosite Wulfenite Vanadinite Pentlandite Sphalerite...Scarlet orange: crocoite 6-7 Cassiterite Orange streak 1.5-2 Realgar 2.5-3 Crocoite .. 1-2.5 1.5- |  | | Book | | - rhodonite; U-yellow - autunite; Cr-orange - crocoite; Fe-yellow - goethite; Co-pink - erythrite. 3...colour of their streak, such as hematite - blood, crocoite - saffron and xanthocone - yellow. The powder...crumbles, so keep in dark • Similar minerals: crocoite (133), cinnabar (76), cup rite (209) • Distinguishing...also found in (Ghana), (Egypt), (Asia), (the Philippines), (India), (Australia) and (Fiji). In Europe...Renfrevv - Quebec (Canada). Chromate PbCrO4 Crocoite (Red lead ore) 133 From the Greek krokos - crocus | | | Book | | — rhodonite; U—yellow — autunite; Cr—orange — crocoite; Fe—yellow — goethite; Co—pink — erythrite. 3...colour of their streak, such as hematite — blood, crocoite — saffron and xanthocone — yellow. The powder...crumbles, so keep in dark e Similar minerals: crocoite (133), cinnabar (76), cuprite (209) e Distinguishing...also found in (Ghana), (Egypt), (Asia), (the Philippines), (India), (Australia) and (Fiji). In Europe...(USA), Renfrew — Quebec (Canada). Chromate ; Crocoite (Red lead ore) 133 From the Greek krokos — crocus |  | | Book | | Namibia; Nevada/USA; Mexico. 2 4 wulfenite, crocoite. 34 Cerussite Similar to: pyromophite, vanadmite...Found in: Saxony; Urals/USSR; New Caledonia; Philippines; New Zealand; Borneo; Sulawesi/Indonesia; Oregon/USA;...Serbia/Yugoslavia; Namibia; Montana, Utah/USA; Chile; Luzon/Philippines. Similar to: tennantite, freibergite, sphalerite...miargyrite, cuprite, cinnabar, hematite. 2 i 3i Crocoite 0 Tasmania/Australia PbCr04 A ( ; V Streak...California, Texas/USA; Mexico; Peru. Similar to: crocoite, proustite, realgar, cuprite, hematite. 182 | | | Book | | to: pyromophite, vanadinite, apatite, wulfenite, crocoite. Cerussite G) Tsumeb/Namibia 1:2 PbC03 Streak...Found in: Saxony; Urals/USSR; New Caledonia; Philippines; New Zealand; Borneo; Sulawesi/lndonesia; Oregon/USA;...Serbia/Yugoslavia; Namibia; Montana, Utah/USA; Chile; Luzon/Philippines. Similar to: tennantite, freibergite, spbalerite...cuprite, cinnabar, hematite. 2◄ 3◄ 4◄ 5◄ 6◄ ◄ 7 Crocoite Q) Tasmania/Australia PbCr04 Streak orange...California, Texas/USA; Mexico; Peru. Similar to: crocoite, proustite, realgar, cuprite, hematite. 182 | | | Book | | to: pyromophite, vanadinite, apatite, wulfentte, crocoite. Cerussite d) Tsumeb/Namibia 1:2 PbC03 5◄...Found in: Saxony; Urals/USSR; New Caledonia; Philippines; New Zealand; Borneo; Sulawesi/lndonesia; Oregon/USA;...Serbia/Yugoslavia; Namibia; Montana, Utah/USA; Chile; Luzon/Philippines. Similar to: tennanute, freibergite, sphalerite...cinnabar, hematite. orange 2 ◄ 3 ◄ 4 ◄ 5◄ 7◄ Crocoite Q) Tasmania/ Australia PbCr04 Streak orange...California, Texas/USA: Mexico ; Peru Similar to: crocoite, proustite, realgar, cuprite , hematite. 182 | | | Book | | to: pyromophite, vanadinite, apatite, wulfenite, crocoite. Cerussite Q) Tsumeb/Namibia 1:2 PbCO3 Streak...Found in: Saxony; Urals/USSR; New Caledonia; Philippines; New Zealand; Borneo; Sulawesi/lndonesia; Oregon/USA;...Serbia/Yugoslavia; Namibia; Montana, Utah/USA; Chile; Luzon/Philippines. Similar to: tennantite, freibergite, sphalerite...proustite, miargyrite, cuprite, cinnabar, hematite. Crocoite J◄ Q) Tasmania/Australia PbCr04 Streak orange...California, Texas/USA; Mexico; Peru. Similar to: crocoite, proustite, realgar, cuprite, hematite. 182 |  | | Book | | non-gem other rocks came under minerals such as crocoite and rose such intense pressure from earth movements...metals, such as cobalt, instance. Chromium makes crocoite depend in turn on the bonds between copper and...than 10km/6 miles from the vent. Pinatubo, Philippines; Ngauruhoe, Mount Edgecumbe, Ruapehe, New Zealand;...Notable occurrences Kent's Flute (Guilin), China; Philippines; L* ■1 Mexico; Bf Mammoth Cave, Kentucky; Luray...of tektite Nong, Laos; Cambodia; Malaysia; Philippines; are named after a strewn-field, such as australites |  | | Book (edition) | | to the cleavage). Loc: Yugoslavia (Bor); Philippines (Luzon); Peru (Cerro de Pasco); Chile; Argentina...The only well-known chromate is a rare mineral, crocoite, which is sought for its brilliant red color....varying amounts of water in their structures. CROCOITE, though comparatively rare, is popular among collectors...England (Bristol); Mexico; U.S.S.R. Opposite: Crocoite—Dundas, Tasmania. Above: Barite—Cumberland, England...Covellite, 48, 48, Craters, 142 Cristobalite, 101 Crocoite, 72, 73, 149 149 149 Cryptocrystalline (definition) |  | | Report (issue) | | and to a minor extent in natural lead chromates (crocoite, etc.). It occurs in small amounts in many silicate...Camarines Sur, Luzon Island, a few years ago, was followed by discoveries in other parts of Luzon as well as...mining companies are now incorporated in the Philippines, but the Benguet Consolidated Mining Company...the vicinity of Santa Cruz on the west coast of Luzon. The mine of the Florannie Mining Company is situated...Logonoy Gulf, in the province of Camarines Sur, Luzon Island. Operations were begun in 1933, after the |  | | Book | | Bromargirite Canfieldi te Cerargirite Chalcocite Cinnabar Crocoite Cuprite Diaforite Dietzeitc Dufrcynosite Eglestoni...Famatina (Argenti pa). It has also been found at Luzon (Philippines) . Antimony does sometimes substitute arsenic... 676 50 6 7~ 3 78- 79+>;◄ 80 ' • 2 1 Crocoite Pb(Cr0 4 ) Dundas (Tasmania) Lead chromate...Brazil), Mursinsk and Nizhne-Tagilsk (Urals), Luzon (Philippines), Nontron (France), California and Arizona...Colemanite 87 Copper 145 Corundum I 02 Creedite 82 Crocoite 139 Cronstedtite 56 Cuprite 101 Danburite 133 |  | | Book | | (of Petterdl mixture of Cerussite and Crocoite, mixture of Crocoite, Mimetite and Quartz: b) on explosive...rock (Grani te) Beresofite = a) (of Shepard) Crocoite, b) (of Simpson) Chromite Beresofskite = magnesian...magnesian Chromite [Berezovskite) = Beresovita Crocoite mixture of Cerussite and Beresovite, Beresowit...(of Somilov) Phoenicochroite, b) (of Shepard) Crocoite, c) (of Simpson) Chromite Beressowskit = magnesian...Berezovite = a) (of Shepard) Crocoite, b) (of Somoilov) mixture of Crocoite and Cerussite pseudomorph after |  | | Book (edition) | | to the cleavage). Loc: Yugoslavia (Bor); Philippines (Luzon); Peru (Cerro de Pasco); Chile; Argentina...The only well-known chromate is a rare mineral, crocoite, which is sought for its brilliant red color....varying amounts of water in their structures. CROCOITE, though comparatively rare, is popular among collectors...England (Bristol); Mexico; U.S.S.R. Opposite: Crocoite—Dundas, Tasmania. Above: Barite—Cumberland, England...Covellite, 48, 48, 149 Craters, 142 Cristobalite, 1 01 Crocoite, 72, 73, 149 Cryptocrystalline (definition), |  | | Book | | Rioja, Argentina; luzonite is found at Luzon Island, Philippines. Also related is epigenite, of probable...zone of lead deposits. Localities. Found with crocoite in the Adelaide Proprietary mine, Dundas, Tas¬...streak. H 3.5; SG 6.4 Localities. Occurs with crocoite and vauquelinite at Beresov, USSR. Fornacite (Pb...MOLYBDATES Right: The characteristic colour of crocoite. This specimen comes from its classic locality...Stolzite from Broken Hill, Australia Crocoite PbCr04 Crocoite crystallizes in the monoclinic system |  | | Book | | Indies, hilippines galena, chrome ores Crocoisite Crocoite not important as ore Pb[CrO4]} Blowpipe: easily...Argentine, Chile, Peru, Montana (U.S.A.), Japan, Luzon Enargite chalcocite, bornite, Cu3AsS4 manganite...Africa glas, = glassy, like crystals rare (Philippines), F structure res, = resinous; op. = opaque...Kraurite = Au Vanadinite = Pbs[(VO«4)3|Cl] J Crocoite = PbCrO4 up to | Crocoisite 5) = J Zincite...= Cu Pyrargyrite = Ag3SbS3 Crocoisite = PbCrO4 Crocoite Greenockite Zincite = ZnO Red Oxide of Zinc | | | Book | | rgentine, pyromorphite minerals .W. Africa Crocoite not important impregnating, massive, as ore encrusting...Argentine, Chile, Peru, Montana (U.S.A.), Japan, Luzon (Philippines), S.W. Africa pyrite, chalcocite, bornite...Gold = Au 2·5-3 Yanadinite = Pb5[(V04)3 jCl] r Crocoite = PbCr04 Crocoisite 3 Wulfenite = Pb[Mo0 4) Olivenite...Cu Pyrargyrite = Ag3SbS3 Crocoisite = PbCrO4 { Crocoite 5- 5·5 Hausn1annite = Mn3O4 5·5-6 f Rhodonite...5·0-5·5 Limonite 6·75 Olivine (chrysolite) 3·5-5·5 Crocoite Sodalite (hauyne, nos6·5-7·0 Jdocrase( = vesuvianite) |  | | Book | | Earth's crust is the Marianas Trench (off the Philippines): 36,198 feet below sea level. The average surface...is an active composite volcano on Luzon island in the Philippines. A volcano can change its classification:...cftalcopyrite and pyrite. MineraJ Autunite Azurite Crocoite Malachite Sulfur Color Yellow Element Uranium...have been even named for their streak's color: crocoite (saffronyellow), hematite (blood) , and xanthoconite...Occurrence: widespread, in U.S.A., Africa, Turkey, and Philippines. Chromium ore. CHRYSOBERYL BeA12 O4 -beryllium |  | | Journal (issue) | | vauquelinite; gold; ! smoky quartz; !• 1766 — crocoite; ! pyrite — cubes up to 15 cm; • 1829 — pyoophyllite;...! scheelite — crystals up to 12 cm. Luzon, Phillipines: crocoite — Camarine Norte — druses on berezite;...Tasmania: barbertonite; • 1893 — dundasite; ! crocoite — Adelaida mine — crystals up to 30 cm; * 1910 | | | Book | | is an active composite volcano on Luzon island in the Philippines. A volcano can change Types of Volcanoes...Uranium fraction of light. Azurite Blue Copper Crocoite Orange-red Chromium .Malachite Green Copper...minerals display mild for their streak’s color: crocoite (saffron- double refraction, but the most pro¬...Turkey, and able composition, for example: Philippines. Chromium ore. Fe203*3H20—hydrous iron oxide...apatite with other minerals. As a (California. Crocoite is a rare mineral, but collector gemstone, it |  | | Journal (volume) | | hemimorphite. ◄ The characteristic bright orange of crocoite. • A brilliant yellow specimen of mimetite. ::r...u, s... :::s 0 0 u a, .c I- oranges of crocoite; the yellows of orpiments and sulphur; and the...generally blue; chromates (such as chromatite and crocoite) are shades of red or orange. Allochromatic minerals...clinochlore clinoclase clinozoisite colemanite crocoite cryolite datolit e diopside epidote erythrite...© 2008 De Agostini Editore SpA Find out about crocoite, olivenite and nadorite and discover the secrets |  | | Book | | Minerals of Chromium 1.3.3.1 Chromite 1.3.3.2 Crocoite Platinum-Nickel-Chromium Deposits http://dx...States, Australia, Africa, Brazil, New Caledonia, Philippines, Indonesia, and the Caribbean. The largest chromite...impact. 1.3.3 Minerals of Chromium 1.3.3.2 Crocoite Crocoite is a rare lead chromate mineral having the...tanning and catalysts for hydrocarbon processing. Crocoite (PbCrO4) Monoclinic, prismatic Orrange, red...nickel deposits are located in New Caledonia, the Philippines, Indonesia, Western Australia, Colombia, Cuba |
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Jose Panganiban, Camarines Norte Province, Bicol Region, Luzon, Philippines