 | | 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) | | Identified by Infrared Spectroscopy | Sphalerite from Slovakia | The Kimberley Diamond and Its Fluorescence and...Microsystems, Wetzlar, Germany Bear Williams Stone Group Laboratories LLC, Jefferson City, Missouri, USA...Zest Design, London. www.zest-uk.com PRINTER DG3 Group (Holdings) Ltd, London. www.dg3.com Cert no. TT-COC-002454...and China, followed by Japan. India and the Gulf region saw slight declines, while the rest of the world...www.debeersgroup.com/~/media/ Files/D/De-Beers-Group/documents/reports/ insights/the-diamond-insight-report-2019 |  | | Catalog/List | | squares arc new entry for this list ANALCIME Dean Quarry, Lizard ,Cornwall Achmclvich, near Lochinvcr, Scotbnd...Bay, Skye, Scotland AEGIRINE Mount Malosa, Zomba District, Malawi 17 2 Rich mass of black crystal sections...colourless to white crystals. quite well covering Basalt. Pyroxene lxl £2 lx2 £4 2x2 !8 Zcolitc Ix½£3 lxl...ALBERTITE near Dingwall Scotland ANATASE Cuiba district, Gouveia Minas Gerais. Brazil 28 Quite rich black...ANATASE Lauvland, Frigstad, Evjc Norway 933 Hingston Quarry,Cornwall 16 Rich grey-white cleavages , some with |  | | | | cubic (fluorite, galena, rock salt, magnetite, garnet). Crystals are divided within the individual systems...we find perfect crystals of gypsum in clays, of garnet and magnetite in various shales, or crystals in...minerals. By cementation of fragmental basaltic rocks, basalt tuffs have been formed. Due to weathering, crystals... in Butte, Montana (USA), in the Lake Superior region, Michigan, and in Yugo- slavia; bedded deposits...cobalt-nickel ores. Another famous locality in this region is Kutna Hora, and the area of the Giant Mountains |  | | Catalog/List | | -- ·- · ~~1 ~0/~ 2 AEGIRINE Mount Malosa, Zomba District, Malawi 1073 AMBL YGONITE Eitarama,Ruanda, Central...colourless to white crystals , quite well covering Basalt. ½" £4 ____ lx! _£_6_. __________ ____ 5_Na 5=u~~<...------------6 ALBITE Kragero Norway 933 ANATASE Hingston Quarry,Comwall Black micro crystals in crystalline feldspar...grained solid grainlikc red-brown (mnss liken massive garnet-paper I lxl £2 lx2 £4 2x2 £8 Gamet 6x6111111 £3...lx2£8 MgOH F,Ol'0/4 lxl £3 lx2 £5 2x2 £10 2x3 £15 Garnet 14 ALUMINITE Railway cutting ncur Crcslon . Wyoming |  | | Journal (article/letter/editorial) | | Arkansas, U.S.A. FeZr(PO4)2-4H20. Monoclinic, space group C211c, a 9.12, b 5.42, c 19.17 A, ~ 94.8 ~ Z = 4...A. Amphibole Group. disseminated within alkalic pegmatites Mount Monoclinic, space group, C2/m, a 9.80...Amphibole Group. Monoclinic, space yellow, crystals to 2 mm in pegmatites at King's group, C2/m, a 9...approval has been given. Only limited data space group Pi, 0t 5.257, b 10.363, c 7.040 A, at are provided...Manganese analogue of segelerite, overite group. Orthorhombic, space group Pbca, a 14.89, b 18.79, c 7.408 A |  | | Catalog/List | | solid grain-like red-brown (mass like a massive garnet-paper ! Pure greenish-brown mass lxl £2 lx2 £4...THAUSITE Modum, Buskerud,Norway 59 BOEHMITE Saga Quarry, Tvedalen, Norway Brown-purple mass in matrix Creamy...--· - . . - - ------ -·-··-·-· ---·7 ANNITE Saga Quarry, Tvedalen near Larvik, Norway 696 CHROME DIOPSIDE...Feldspar group pure pale brown cleavages. Rich black masses in matrix 2x3 £9 Fclspar Group lxl £1.50...lx2 £15 lxl £4 lx2 £8 2x2 £16 126 DIASPORE Saga Quarry, Tvedalen. Norway 1060 KORNERUPINE Bjordammcn, |  | | Catalog/List | | £6 BaCa .C0/3 2 AEGIRINE Mount Malosa, Zomba District, Malawi 975 ALTHAUSITE Modum, Buskerud,Norway...colourless to white crystals , quite well covering Basalt. lxl £4 lx2 £8 2x2 £16 Feldspar Ix I £1.50 lx2...ALLOPHANE Hawkswood Mine, Cornwall 933 ANATASE Hingston Quarry,Cornwall Black micro crystals in crystalline feldspar...solid grain-like red-brown (mass like a massive garnet-paper I AISiO lxl £2 lx2 £4 2x2 £8 Gamet lx2 80p...textured mass. lxl £5 lx2 £8 2x2 £16 2x3 £25 garnet group 695 ANGLESITE Los Lamentos, Chihuahua, mexico |  | | Catalog/List | | . 348 RHODIZITE (K Cs)Al (B,Be) 0 pale yellow, garnet shaped single crystal. 3 mm £3.50 (Antsirabe Madagascar)...BELOVITE Ce (Sr Ce Na Ca)P0/4 One of the Apatite group. , yellowish areas in USSINGITE (Alluaiv Lovozero...CO/3 OH blue micro crystals on rock. (Greystones Quarry,Lezant,Cornwall) £2.00 lx H £3.50 2 076 CALEDONITE...Quartz with micro spots of Native Copper. (Kingston Quarry,Cornwall) 1x1 £2 553 TETRAHEDERITE (Cu Fe) Sb S...cleavages with cerussite and or Pyrolusite (Merehead Quarry, Mendips,Somerset) H x B £2 269 MENDIPITE Pb/3 |  | | Catalog/List | | mass of black crystals, some Mount Malosa, Zomba District, lxl ins £5 lx2ins _lyro?'~~e . __ __ _ ___ ___...formed dodecahedral Madagascar ALMANDINE lins £4 garnet group Crystal 1 inch across Grey veins in and on matrix...- - - AMAZONITE Pure green cleavage Landsverlc quarry, Evje, Norway lxl S0p ALAMOSITE fcLp 10 g:...£10 lx2£10 lx2 £1 r- - • AMAZONITE Felspar Group 16 Ix½ £5 2x2 £1.20 MICROCLINE .Green crystal...P0/4 £1.20 ANALCITE White crystals well covering Basalt Talisker Bay, Skye, Scotland lxl 70p lx2 -=Zeo=l: |  | | Book | | together with copper are genetically unique in the basalt cavities in the Keweenaw Peninsula near Lake Superior...USA; Dedova hora. Czech Republic and Rudnany, Slovakia as droplets and liquid cavity fillings. Application:...to 15 mm ("/» in) come from Konder in Khabarovsk Region, small crystals, but mainly nuggets, weighing up...aggregates are found in Sri Lanka (Radegara, Galle region). Accumulations in Buckingham and Grenvillc, Quebec...mm (l'/u in) were common in Banska "tiavnica, Slovakia; similar crystals occur in Madan, Bulgaria. The |  | | Book | | together with copper are genetically unique in the basalt cavities in the Keweenaw Peninsula near Lake Superior...USA; Dedova hora, Czech Republic and Rudnany, Slovakia as droplets and liquid cavity fillings. Application:...15 mm (1 9h2 in) come from Konder in Khabarovsk Region, small crystals, but mainly nuggets, weighing up...aggregates are found in Sri Lanka (Radegara, Galle region). Accumulations in Buckingham and Grenville, Quebec...mm (l3/,6 in) were common in Banska "tiavnica, Slovakia; similar crystals occur in Madan, Bulgaria. The |  | | Book | | (Fe,Mg,Zn)3-4 LOCALITIES AND ASSOCIATIONS GROUP INTRODUCTIONS Shows important rock or mineral localities...introductory page describing the parameters of the group, as well as any further sub-groups. is often associated...lazuli. Lazurite is a member of the feldspathoid group. It is always deep or vibrant blue, and it was once...representative specimens show the diversity within the group. SECTION SHOWN bladed crystals rich blue colour...Some silicate minerals also inlude an additional group classification. CRYSTAL SYSTEM: the crystal system |  | | Book (edition) | | Daliranite, 5111111, Zarshouran Au-As deposit, Takab region, Iran Grandviewite, 5 111111, Capillitas deposit...supergroup (Biagioni et al., EJM 25, 85-90, 2013), garnet supergroup (Grew et al., AM 98, 785-811, 2013)...departamento district municipio Saint Sainte island mount, mountain...Al;[(OH) 4 IPO;(OH)l(PO4))'4Hi0 (8.D, turquoise group). Triclinic, PT, a,b,c = 7.39, 7.72, ll.34,a,p,y=99°46'...Northampton co., Pennsylvania, and from the Kobokobo quarry, near Kamituga, Dern. Rep. of Congo. EJM 23, 269-277 | | | | | is granite while an extrusive example could be basalt. Sedimentary rocks are derived from the abrasion...groups: Minerals that have oxygen tightly bonded in a group around a central non-metallic ion. Oxides or carbonate...Silicates: Minerals have oxygen tightly Olivine, garnet, epidote, vesuvianite, rhodonite, beryl, tourmaline...feldspar, nepheline, zeolite, sodalite, bonded in a group around a central silicon atom. kyanite, topaz, titanite...the colour drastically, for example, tourmaline, garnet, topaz, quartz. Streak: Colour of Powder Streak | | | | | are classified according to the chief ion (or ion group) which serves as a mineral’s fundamental unit. The... Also with native copper as cavity-fillings in basalt at Keeweenaw Peninsula, Michigan. Found in Colorado...Australia, at Mount Morgan Mine, from Chartres Towers district, from Hillgrove, from Hill End, and large production...U.S., nice bladed crystals occur in the Darwin district, Inyo County, California; also at Antimony Peak...California; and large crystals come from the Rand district, San Bernardino County. Long crystals at Manhattan |  | | Catalog/List | | ANDRADITE garnet group ♦ ANGLES ITE Pb SO/4 ANHYDIUTE Ca SO/4 AN KERITE-KUTNAIIORITE Dolom ite group ANN ITE...Mica AN ORTHITE Fe ldspar ANORTHOCLASE Felspar Group ANTHOPH YLLITE Amphibole 2cm £8 3cm £ 15 Near...Quebec Ix! £ 1.10 ,Canada Mount Malosa, Zomba District, Ix½ £3 Malawi Nandan Meteroite, Lihu,Nandan 3mm...Mapimi. Mexico A LLOPHANE ALSi O A LMANDINE garnet group ♦ A LSTONITE Ba C a CO/3 A LUJ\UNITE Al SO/4...l x l £3 l x2 £5 While crystals well covering Basalt Talisker Bay. Skye. Scotland l xl 70p Single |  | | Catalog/List | | Skye, Scotland AEGI. R JNE 17 Mount Malosa, Zomba District, Malawi 2 While crystals well covering Basall...Unusual location AISO/4 Ix! £5 2x2£16 2x3£2 5 garnet group lxl£4 lx2£8 1048 ALUMJNITE Newhavcn Sussex...Australia 658 ANGLESITE good small grey crystal group PbSO/4 1cm £4 23 ANHYDRITE Staffordshire England...Of marnx ½" £4 lcn near Larvik., Norway 7 Saga Quarry, Tvcda ANNITE Pure black mica plate new Analysis...South Norway Feldspar group pure pale brown cleavages. 2xJ £ 6 Fel.spar Group lxl £1 2x2 £4 l x2 f1 Kavelrorp |  | | Catalog/List | | 3 8 ,HODTZ TE !Y. ,c)Al {B1 Be) 0 pale yello, garnet shaped si.flE crystal. 3.. E3.50 (Antsirabe Hadagac...Quartz with micro spots of ative Copper. (Hingsten Quarry,Cornwall) lxl i'.2 553 ETRAHEDERITE (Cu Fe) Sb...(India) 7mm30p ½ ins 50p Oll Al-lAZO!HTE felspar group. 010 1 238 CORUNDUH good hexagonal shape grey-blue...Provence,Zaire) EB 096 CHROME GROSSULAR chromerich Garnet group. Green areas in rock (Jeffery MineQuebec, Canada)...alia) lx2ins ES 495 OPAL 311 OWHOCLASE Felspar group Com.~on Opal, pure white hard unusual translucent |  | | Book (edition) | | 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...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |  | | Book | | Enigmatic Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights...Cr-Bearing Andradite (var. Demantoid) from Dobšiná, Slovakia Reprinted from: Minerals 2019, 9, 164, doi:10...coloured by chromium and sometimes vanadium. The first group of authors in their review proposed an enhanced...on another occurrence of sapphires in the same region of the South Urals occurring in anorthosites (kyshtymites)...evolution of alluvial sapphires from the Orosmayo region (Jujuy Province, NW Argentina) and importantly |  | | Journal (article/letter/editorial) | | Silica and Silicates (part two) GARNET GROUP The garnets form a group of closely related mineral species;...spessartite or is called an almandite-spessartite garnet. It is an interesting observation that most almandite...observation as yet. ALMANDITE, or iron-aluminum garnet, is an iron, aluminum silicate. Usually there is...inch diameter crystal was found in the Pulsifer quarry at Auburn, Maine. Six inch crystals have been found...found at West Bethel, Maine, and at the Ruggles quarry, Grafton Center, New Hampshire. Notable excellently |  | | Book | | oligoclase, albitc, blotite, muscovite, hornblende, garnet, apatite, sphenc, ilmenite, anatase, tourmaline...scheelite, zoisite, idocrase, sphene, scapolite group, pyrite, phlogopite RARE: hillebrandite, prehnite...Quartz, albite, oligoclase, microcline, beryl, garnet, apatite, uraninite, sanarskite, columbite, sillimanite...albite, microcline, oligoclase, biotite, muscovite, garnet (often 6 spessartine), beryl, tourmaline, tantalite... muscovite, epidote, sphene, chlorite, pyrite, garnet, beryl, stilbite, natrolite, zircon Rare except |  | | Report (edition) | | ................................ 32 Marble Bar region .................................................Gemstones associated with pegmatites Chapter 6 Beryl group 35 Beryl .............................................................................. 36 Cue region ..................................................................................... 36 Yalgoo region .................................................................................... 40 Menzies region .............................................. |  | | Catalog/List | | ~black cry~t~i;,o;-~;atrix. M~~nl Malo~O:. i:~n{ba District. IX I ins £5 2 AEGIRINE £10 Pyroxene Malawi lxl...-- - - 17 ANALCITE White CI)'SUlls well covering Basalt. Taliskcr Bay, Sl-ye, Scotland lxl 70p lx2 Zeolite... _ . Pure black mica plate new Analysis , Saga Quarry. Tvedalcn near Ix I £3 I x2 £6 2x2 £ 12 7 AN!lilTE...18 ANORTHITE ..J:.e.l_dspar 2x2£2 2x3 £4 Felspar group pun: pale brown cleavages. Ula, near Larvik, South...Brazil Rich b·iue ~~ massive 54 APATITE Felspar group 2>c3 £7.S0 Ix2 £2.SO 2x2 Holmbush Mine. Kelly Bray |
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