 | | Journal (article/letter/editorial) | | specimen and photo. July/August: Covellite, Bor, Serbia; Chrysochroa buqueti, Thailand; cinnabar, Germany;...photos. September/October: Silver crystals, Bachelor mine, Amethyst vein system, Mineral County, Colorado;...413; Nevada, 515 Annabergite, Kilometer 3 Mine, Laurium District, Greece, R. B. Cook, 154–59 Apatite, nomenclature...485–87 Chlorargyrite, Nevada, 516 Chlorite–group minerals, 318–25 Chlorite, New York, 162 Chloritoid, Quebec... 320; Quebec, 503 Collector’s Guide to the Chlorite Group, R. J. Lauf, 318–25 Volume 86, January/February |  | | Journal (issue) | | Cabri et a l contrib uted an article on “Platinum-group minerals from the Konder Massif, Russian Far East...tours for collectors are permitted by the friendly mine management, and visitors have even been allowed...the area and purchased the rights to the Verchniy mine. Operations to extract copper, lead and zinc began...operations in the Dal’negorsk area. The Bor Company operates the Bor open pit for datolite (boron), and the...local fold structures. The main orebody, in the central part of the deposit, is over 500 meters thick and |  | | Journal (article/letter/editorial) | | orthorhombic crystals from the Inaglina pegmatite, Central Aldan. Isostruetural with shcherbakovite, but contains...Strunz, 1957. Min. Tabellen, 3rd edn, pp. 86, 109. A group name, including fiilSppite, zinckenite, robinsonite...Strunz, 1957. Min. Tabellen, 3rd edn, pp. 86, 108. A group name, including sartorite, baumhauerite, liveingite...Strunz, 1957. Mira Tabellen, 3rd edn, pp. 86, 106. A group name, including seligmannite, bournonite, aikinite...Strunz, 1957. Min. Tabellen, 3rd edn, pp 86, 107. A group name, including hutchinsonite, fiz61yite, ramdohrite |  | | Book | | Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...many localities in California, USA (Colorado Quartz mine, Nigger Hill and others). Fine leaf gold comes from...mm (4 5/i6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets |  | | Book | | Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from...110 mm (47.6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets...of crystallized gold occurred in the Jamestow n mine. California, USA, where a cavity, which yielded |  | Zagorsky, Victor Y., Peretyazhko, Igor S., Sapozhnikov, Anatoliy N., Zhukhlistov, Anatoliy P., Zvyagin, Boris B. (2003) Borocookeite, a new member of the chlorite group from the Malkhan gem tourmaline deposit, Central Transbaikalia, Russia. American Mineralogist, 88 (5) 830-836 doi:10.2138/am-2003-5-611 | Journal (article/letter/editorial) | | new member of the chlorite group from the Malkhan gem tourmaline deposit, Central Transbaikalia, Russia...veins, Malkhan gem tourmaline deposit, Chikoy district, Chita oblast, Russia. Borocookeite proper, as...erroneously referred to as belonging to the chlorite group) in pegmatites in Madagascar (Lacroix 1912...collected numerous samples of boron-bearing mica and chlorite (Zagorsky et al. 1998). The boron-rich chlorites...gem tourmaline-bearing pegmatite bodies in the district. However, true borocookeite occurs only in the |  | Olmi, F., Viti, C., Bindi, L., Bonazzi, P., Menchetti, S. (2000) Second occurrence of okayamalite, Ca2SiB2O7: chemical and TEM characterization. American Mineralogist, 85 (10) 1508-1511 doi:10.2138/am-2000-1022 | Journal (article/letter/editorial) | | Arendal district, Sørlandet, Norway, associated with datolite, calcite, apophyllite, and chlorite. The chemical...Okayamalite, Ca2SiB2O7, was first found at the Fuka Mine, Japan, in a vein-like skarn consisting mainly of...atomic arrangement found in minerals of the melilite group (Smith 1953). It is not surprising, therefore, that...obtained from a skarn sample from the Arendal district, Sørlandet, Norway (Museum of Natural History...catalog no. 2662/I). Arendal is a well-known mining district that has long been exploited for skarn-type iron |  | | Journal (article/letter/editorial) | | in the historical Broumov Tøi Sekery mining district (Western Bohemia) Pb Zn Cu mineralizace v...historical Pb-Zn-Cu Broumov Tøi Sekery mining district in the northern part of the Èeský les valley,...three stages: 1) early alteration related stage: chlorite, tourmaline and quartz; 2) main stage: quartz...mineralization; base-metals; fluid inclusions; chlorite thermometry; sulphur isotopes Introduction The...represented by Cambrian (Arzberg group) and Ordovician (Waldsassen group) siliciclastic rocks metamorphosed |  | | Journal (article/letter/editorial) | | green spots. Some green nephrites from the Arahushun mine of East Sayan have an ice-like appearance. Microscopic...minerals in the Manas samples include chromite, chlorite-group minerals, and uvarovite; whilst those in the...Sayan samples include actinolite, chromite, chlorite-group minerals, and bornite. Bornite is not found...Tian Shan snow line. The main exposed strata at the mine are Devonian and Carboniferous strata, and the wallrocks...mafic volcanics and tuff. The intrusive rocks in the mine are largely ultramafic, including plagioclase peridotite |  | | Book (edition) | | terms (see also explanations chapter): - Strunz Group (Strunz (2001; version 9); this provides the mineralogical...optical characteristics or shapes. - The Point Group illustrates how symmetrical a particular mineral...minerals which appear within a particular Strunz sub-group (listed here) or in mineral assemblages of a closely...fast overview and reflect the abbreviated Strunz group. • Where necessary, abbreviations for important...scheme reflects compositional systematics; the main group is colour-coded on the top right page of the descriptions; |  | | Journal (issue) | | Articles Famous mineral localities: The Trepc=a mine, Stari Trg, Kosovo . . . . . . . . . . . . . . ...crystal cluster, 3.9 cm, on calcite, from Wessels mine, Kalahari Manganese Field, South Africa. This specimen...discreditations, species redefinitions and revalidations, group studies and locality-oriented studies (all laudable...career working for Sylvania (1952–1967), Digital Group Multiplex and Raytheon, settling in Sudbury, Massachusetts...Company; they obtained leases on the Wise fluorite mine in New Hampshire and the amethyst occurrence at |  | | Journal (article/letter/editorial) | | Figure 1. A group of euhedral blocky crystals of orientite that have been exposed by acid dissolution...dissolution from the late-stage calcite matrix. The group is 4 mm long with individual crystals to 0.7 mm. Tom...tajmahal@gilanet.com History and Mineralogy of the Manganese Mine Keweenaw County Michigan Tom Rosemeyer, a native...Country researching and writing articles about the district. 498 ROCKS & MINERALS Twenty-second in a series...Figure 2. Tom Rosemeyer about to descend into the mine through the small surface opening that led to the |  | | Book | | high, height hill lake lillle, small low, lower mine mountai n mountains range or chain open-pi1 peak...high. height hill lake lillle. smal l low. lower mine mountain mountains range or chain open-pil peak...Suture (Fig. 3) played an important role. with it~ central position, in the concluding structural features...Lower Cambrian ore belt. ho ted by the Tulghe~ Group. contains several tratiform pyri te-copper ores...rocks of medium and high grades. The Sebe~-Lotru Group is built-up of medium KRAKOW • :·:.:-\/··. :._: |  | | Book (edition) | | Feldspathoids—Pyroxene Group—Wollastonite—Amphibole Group—Olivine Group—Chondrodite—Garnet Group—Beryl—Scapolite...Group—Beryl—Scapolite Group—Idocrase—Zirzon—Topaz —Andalusite—Sillimanite—K yanite—Mullite—D umortierite— Tourmaline Gr...phene—Cordierite—P re hnite—Lawsonite—Mica Group—Chlorite Group—Chloritoid— Tale—Pyrophyllite—Clay Minerals—Serpentine...Minerals—Serpentine dingsite—Glauconite—Zeolite Group. Tn Luss DEFINITH MINERALOIDS). 06. 62 4 5...measured in millionths of a millimeter (my). Beam.—A group of light waves following along the same path. A |  | | Book | | established by SLoss et al. (1949, p.96) for “‘a group of strata of different tectonic aspect from laterally...water are bound on to clay minerals. Newly formed chlorite (JOHNS, 1963) contains about 4% water. In a like...elements in clay minerals. In the formation of chlorite from montmorillonite chlorine is built in (JOHNS...Galicia (foreland of Carpathians), Azerbaijan central Asia, upper Rhine (France, Germany), Ebro (Spain)...S.A.), Tadzhikistan (U.S.S.R.), South America, central Africa Arkansas, Alabama, Utah, Texas (U.S.A.) |  | | Journal (article/letter/editorial) | | contain magnesian silicates (e.g., forsterite, humite-group minerals, diopside, and phlogopite) and spinel....part of BMMB, namely south of the River Danube in Serbia or Bulgaria. The five Romanian B-bearing magnesian...contain magnesian silicates (e.g., forsterite, humite-group minerals, diopside, and phlogopite) and spinel....optical properties very similar to those of humite-group minerals. Thus, the distinction of fine-grained...calcite and dolomite, but also forsterite, humite-group minerals, chlorites, spinel, etc. (Table 2). The |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...to the chemical formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest...chemical formula, structure (crystal system, space group, and unit cell dimensions), and at least some other...site occupancy. The Sb members of the tennantite group (2.G) will serve as a good example: tetrahedrite...registered in this book (e.g. in the amphibole group). For more detailed information see "Dana's System |  | | Journal (article/letter/editorial) | | pigments are often used as synonyms covering the same group of materials, but this does not correspond to reality...“Red, yellow and brown earths” represent a large group of materials, which are coloured with free iron...clay-based ground containing beige pottery clay (with chlorite, illite, quartz and carbonates, Appendix A) and...early 16th centuries) [36]. In various regions of Central Europe (Bohemia, Bavaria, Transylvania, Upper Hungary-Slovakia)...poliment of a bauxite type (with gibbsite, boehmite, chlorite, micas, quartz, gypsum) additionally coloured |  | | Journal (article/letter/editorial) | | sphaleritewith minor chalcopyrite,galena,quartz, chlorite, sericite,and dolomiteand minor interbeddedtuff...thermal metamorphismalonga with calcite, epidote, chlorite, clinozoisite, and belt stretchingfrom northern...texturesandstructures suchasgraded grainsin a matrix of chlorite and minor sericite;it bedding,flute casts,sagfeatures...assemblage. Eachiscom- fine-grainedtuff comprisedof chlorite, quartz, and prisedof a numberof unitsand subunits...TO5'1o STRATABOUNDPYRITE. LOCAL INTERBEDDEDCHERT OR CHLORITE- SERICITE TUFF. MOLE LAKE UNIT (ml) A FINETUFFCONTAINING |  | | Book (edition) | | Descriptions Explanations & Abbreviations Mineral Strunz-Group Page I - Elements I/A - Metallic and Intermetallic...01-40 I/B.01-50 V 76 78 80 82 Mineral Strunz-Group Graphite Sulfur Selenium Tellurium I/B.02-10 I/B...162 164 166 168 170 172 174 176 Mineral Strunz-Group II/C - Sulfides with Metal : Sulfur, Selenium and...268 270 272 274 276 278 280 282 Mineral Strunz-Group Page II/C.19-20 II/C.19-50 II/C.20-20 II/C.20-30...Moncheite Skutterudite Nickel-skutterudite Strunz-Group Page II/D.17-50 II/D.17-60 II/D.17-90 II/D.17-100 |  | Tanaka, Yoshiyuki, Miki, Hajime, Suyantara, Gde, Aoki, Yuji, Hirajima, Tsuyoshi (2021) Mineralogical Prediction on the Flotation Behavior of Copper and Molybdenum Minerals from Blended Cu–Mo Ores in Seawater. Minerals, 11 (8) 869 doi:10.3390/min11080869 | Journal (article/letter/editorial) | | using a jaw crusher (passing 6 mm) at the operating mine, crushed under 1.68 mm using a roll-crusher, and...tests were referenced to the dosage at the operating mine. The ore samples (0.875 kg) were mixed with 500...Feldspar group Albite Orthoclase Microcline } nd × nd nd ○ } nd × } nd } } nd } Mica group Biotite...nd } nd nd nd nd nd ○ nd nd ○ nd nd ○ Chlorite group Montmorillonite Almandine Clinochlore nd...Feldspar Quartz Biotite Pyrite Fe oxide/hydroxide Chlorite Muscovite Other silicate Clay Chalcopyrite Molybdenite |  | | Book (edition) | | commonly have several variants, such as Great Smoky Group, Great Smoky Conglomerate, Great Smoky Formation...If used on level 1, Term set options are: rock group (carbonate rocks, chemi¬ cally precipitated rocks...was adopted. Broader Term (BT, BX, BA, BZ) - A group of which the Term is a member or an area in which...Term (NT, NX, NA, NZ) - A specific mem¬ ber of a group which is represented by the Term or an area within...Term is a member. For example: peridot BA olivine group BA nesosilicates BA orthosilicates BA silicates |  | | Journal (issue) | | minerals at the Line Pit, State Line chromite district, Pennsylvania and Maryland ..................149...$10 postage + $16 subscription = $26 Mexico and Central Amer.: $13 postage + $16 subscription = $29 V...several suites including Mont St.-Hilaire, the Jeffrey mine in Quebec, and a personally collected suite of dioptase...other copper minerals from the Harquahala mine in west-central Arizona. Randy perfers to make his own mounts...job of increasing subscrip tions in the east-central states, and has given away countless free subscriptions |  | | Book | | Aberllyn Mine. near Betws-y-Coed (Bevins er al .. 1982). and lanthanite-(Ce). from the Britannia Mine. at...sion of Oxford Univer·i1y Pre~s. "idc (grey) rn: Group. 'ho1ograph 1986). by Volcanic Complex. expo ed...garnet in Ordovician lavas in t.he Capel Curig district. However. an interesting suite of acce ory primary...contact mineral to aggregates of muscovite and chlorite. In the contact aureole of the St. David's Head...ive green colour due ll• . I! growth of abundant chlorite or chlori1e-like minLr.ils: hence these rocks |  | | Book (edition) | | “northern”, “eastern”, “northwestern”, “south-central”, etc., is limited. However, other such terms are... a. Geographic Coordinates peridot BA olivine group nesosilicates orthosilicates silicates BT minerals...(BT-NT) relationship is that of a group to an individual in the group, e.g., BT minerals to NT silicates...of the specific minerals in the olivine group, the olivine group is one of several mineral groups in the...reciprocals are: olivine group NA peridot nesosilicates orthosilicates NA olivine group NA nesosilicates silicates |
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