| GEMSTONES of East Africa Burundi, Kenya, Rwanda, Tanzania and Uganda Bruce Cairncross Published by Struik...Back cover: (top) Grossularvariety hessonite on blue calcite, 2.5 cm - Philip Hitge specimen, Bruce Cairncross...rutile crystals partially included in transparent quartz crystals, 3 cm - Philip Hitge specimen, Bruce Cairncross...resources 12 Burundi 13 Kenya 14 Rwanda 16 Tanzania 17 Uganda 20 Gemological properties 21 A to...through Tanzania, Kenya, Ethiopia and into the Sudan - has blessed East Africa, Kenya and Tanzania, with |
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Huong, Le, Otter, Laura, Förster, Michael, Hauzenberger, Christoph, Krenn, Kurt, Alard, Olivier, Macholdt, Dorothea, Weis, Ulrike, Stoll, Brigitte, Jochum, Klaus (2018) Femtosecond Laser Ablation-ICP-Mass Spectrometry and CHNS Elemental Analyzer Reveal Trace Element Characteristics of Danburite from Mexico, Tanzania, and Vietnam. Minerals, 8 (6) 234 doi:10.3390/min8060234 |
Journal (article/letter/editorial) |
| Reveal Trace Element Characteristics of Danburite from Mexico, Tanzania, and Vietnam Le Thi-Thu Huong 1, *...Published: 29 May 2018 Abstract: Danburite is a calcium borosilicate that forms within the...plasma (ICP)-mass spectrometry for danburite from Mexico, Tanzania, and Vietnam. The Tanzanian and Vietnamese...Our results imply that the trace elements of danburite reflect different involvement of metacarbonates...pegmatites among the different locations. Keywords: danburite; trace elements; REE; femtosecond LA-ICP-MS; CHNS |
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(2015, October 15th) The Rainbow of Africa Gem & Mineral Collection. Heritage Nature & Science Auction 5236. Heritage Auctions |
Catalog/List |
| it collected when the Tsumeb Mine (as well as other mines of the region) were still in production in...climbing soon brought him into contact with the quartz crystals that were found on the mountain slopes...engineering work took him to the Tsumeb Mine in Namibia. This mine is renowned for producing what are arguably...MINERALS 57001 Azurite Level 8, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia If the attachment point on...backside, as well as the front. Luster of the deep _blue_-black prism is glassy to adamantine and, other than |
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(2008, March) Mineral News Vol. 24 (3) Excalibur Mineral Corp. |
Journal (issue) |
| aggregate of Cerussite from Mammoth-St. Anthony Mine (Tiger, Pinal Co., Arizona, USA). Ex coll. Rock...Treasures Exhibition at the TGMS Show 2008. Kelly Mine Smithsonite A Lesson Learned Bob Werner werner@lcturbonet...a lasting impression on me occurred in the Kelly Mine in New Mexico in the late SO's. Socorro, New Mexico...ofsmithsonitc that was labeled as coming from the Kelly Mine, about 26 miles west of Socorro in the Magdalena...was approximately 12 x 14 inches and was a bright _blue_-green color with a botryoidal structure. There was |
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Voudouris, Panagiotis, Karampelas, Stefanos, Melfos, Vasilios, Graham, Ian - Eds. (2020) Mineralogy and Geochemistry of Gems. MDPI. doi:10.3390/books978-3-03928-077-3 |
Book |
| Reveal Trace Element Characteristics of Danburite from Mexico, Tanzania, and Vietnam Reprinted from: Minerals...A. Kostitsyn and Vasiliy A. Kotlyarov Origin of Blue Sapphire in Newly Discovered Spinel–Chlorite–Muscovite...Enigmatic Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights...Xydous On the Color and Genesis of Prase (Green Quartz) and Amethyst from the Island of Serifos, Cyclades...comparison of the trace element geochemistry of danburite, a gem mineral commonly formed within transition |
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(1991, January) Gems & Gemology Vol. 27 (4) Gemological Institute of America |
Journal (issue) |
| Stuart Smith Sunstone Labradorite from the Ponderosa Mine, Oregon Christopher L. Johnston, Mickey E. Gunter...largest producer of diamonds in 1990, t h e Argyle mine in Western Australia (36 million carats), fine gem-quality... of a huge industry in this arid, inhospitable region. Later, diamonds were also discovered and mined...et al., 1991). If we consider only the Kimberley mine ("Big Hole") as an example, and take into account...calculating the volume of rock removed from the Kimberley mine (the "Big Hole") in Kimberley, South Africa, the |
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(1965, June) Rocks & Minerals Vol. 40 (6) Informa UK Limited |
Journal (issue) |
| prices on any that you may I be interested in. Blue Fluorite Crystals with Galena Crystals, Socorro...average near /j” size on matrix. All of very choice blue color and most associated with galena cubes. A very...00, 2x2 1.50,2x31.50, 2x3 1.50,2x32.25. Chalcopyrite Xls on Quartz, XIs Concepcion Del Oro, Zacatecas, Mex. Brassy...crystals of ,/j" to j/2" size perched on translucent quartz crystals. Choice cabinet display pieces. 1x2 .75...apache tear, moss agate, blue tiger-eye, gold tiger-eye, sodalite, smoky quartz, rhodochrosite, rhodonite |
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Schumann, Walter (2006) Gemstones of the World (3rd ed.) Sterling Publishing Co., Inc., New York. |
Book (edition) |
| Nephrite) bees Species Rock Crystal 132 Ni ee Smoky Quartz 132 ype haha eens 90 — Amethyst 134 aluation...ides 138 oo rase Blue Quartz 138 Quartz Cat’s-Eye Carnelian 172 _ 174 Peridot Quartz Citrine 136 Development...Development of the ae 130 Kunzite 130 132 Quartz Diamond Production 89 Diamond Occurrences _-~...196 Tolite 196 Phenakite 196 Dumortierite 198 Danburite 198 Axinite 198 Benitoite 200 Cassiterite 200...fluorite Rock crystal (quartz) Green idocrase Pyrope or almandite (garnet) or rose quartz African emerald |
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Schumann, Walter (1999) Gemstones of the World (2nd ed.) Sterling Publishing Co., Inc., New York. |
Book (edition) |
| 6 Ruby 82 8 Sapphire 86 Amethyst Amethyst Quartz Beryl 90 Citrine 120 Emerald 90 Aquamarine 94...Rose Quartz 122 Peridot 158 Aventurine 122 Zoisite 160 Prase 122 Tanzanite 160 Blue Quartz 122 ... Thulite 160 Anyolitc 160 Spessartine 104 Quartz Cat's Eye 124 Hawk's Eye 124 Tiger's Eye 124 Chalcedony...Kunzite 114 Quartz 116 Opal 150 Precious Opal Fire Opal 152 Rock Crystal 116 Smoky Quartz 1 1 178...Phenacite 180 Apatite 194 Dumortierite 182 Danburite 182 Titanite 194 Kyanite 196 Axinite 182 Scheelite |
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Schumann, Walter (2009) Gemstones of the World (4th ed.) Sterling Publishing Co., Inc., New York. |
Book (edition) |
| Species Tanzanite 132 Quartz _ Gemstones 86 Diamond Rock Crystal 132 Smoky Quartz 132 Amethyst 134 _...Orthoclase 180 Labradorite 182 138 Prase 138 Blue Quartz 138 Guscy Cats Bye 140 Aventurine y Feldspar...112 Anyolite 178 Hematite Prasiolite 136 Rose Quartz 138 Sard 142 Emerald 106 176 176 178 Pyrite... Iolite 196 Phenakite 196 Dumortierite 198 Danburite 198 Axinite 198 Benitoite 200 Cassiterite 200...Arizona spinel Arkansas diamond Balas ruby Blue alexandrite Blue moonstone Bohemian chrysolite Bohemian diamond |
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(2006) The Metaphysical Guide to Tucson. Heaven & Earth Publishing |
Journal (issue) |
| with semi-precious stones • Aqua aura • Titanium • Quartz crystals • Perfume bottles “Diamonds • Chakra...sharing this magic with you ~ Laser wands, Star Rose Quartz, Welcome to Stones Alive! Vol. 2, the Reference...NEW Caribbean Blue Moonstone t A Golden Labradorite Amethyst Inperial Gold Quartz Visit our website:...website: www.heavenandearthjewelry.com Y Tanzan Aura Quartz ! •3 « V 4>- ■ nar ! t lb. Pink Lazurine...Opal Aqua Aura Azeztulite Herkimer Siberian Blue Quartz Jewelry ‘OS' -O lolite Io Chakra Jewelry |
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Schumann, Walter, Schumann, Walter (1977) Gemstones of the World (1st ed.) Sterling Publishing Co., Inc. |
Book (edition) |
| ring? 3. What stone is often colored with Prussian blue and then called "Swiss lapis" and used as a substitute...DESCRIPTION OF GEMSTONES Diamond 70 Spodumene 114 Ruby 82 Quartz group 116 Sapphire 86 Jade 154 Emerald 90 Peridot...hambergite, iolite, phenacite 180, dumortierite, danburite, axinite 182, benitoite, cassiterite, epidote...gemstone names invented in this way are tanzanite (blue zois1te) and tsavorite (green grossuJar garnet)...aventurine quartz Cinnamon stone Colorado ruby Coral agate Craquelees Cross stone Cymophane Danburite Daourite |
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(2010) The Metaphysical Guide to Tucson. Heaven & Earth Publishing |
Journal (issue) |
| Features - 52 54 80 82 86 88 90 92 96 The Quartz that Heals: Casa Crystals, Programmed Through John...Azeztulite (Rhodazez) Satya Mani Quartz Lemurian Aquatine Calcite Danburite: Excerpts from “Stones of the...QuartzTM AzeztuliteTM Chakra Jewelry Siberian Blue Quartz Herkimer Jewelry Iolite Aquamarine Nuummite...Vivid Hues, plus Unique Designs & Gem Combinations! Blue Sapphire* Yellow Sapphire* *Russian Lab Grown...Radiance Synergy & Ascension Cinnabar Quartz Jasper Jewelry Blue Aragonite We sell loose gems, tumbled |
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(2012) MetaGuide Magazines Tucson Guide. Heaven & Earth Publishing |
Journal (issue) |
| 2012 Tucson Guide The John of God Crystals: Casa Quartz, Programmed by the Entities John of God and the...Products: How Marketing has Changed Sacred Space: The Blue Ridge Mountains Auralite-23: A New Stone of the...Stones (Crop Circle Flint) PO Box 249 158 Satya Mani Quartz East Montpelier, VT 05651 159 Astaraline: Incubator...Stone of Transformation & Awakening Ad Sales: 171 Danburite: Excerpts from Stones of the New Consciousness...Tanzan Aura Quartz Imperial Gold 2 / 3 OFF! Quartz 2 / 3 OFF! Oregon Opal TM Satya Mani Quartz 2 / 3 OFF |
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(2011) MetaGuide magazines Tucson Guide. Heaven & Earth Publishing |
Journal (issue) |
| Tucson Guide 58 The John of God Crystals: Casa Quartz, Programmed by the Entities 60 Carver of the Skulls...Merlinite 144 Satya Mani Quartz 145 Circle Stones (Crop Circle Flint) 146 Danburite: Excerpts from Stones...Fossils, Gems and Jewelry Silver from „Himmelsfürst“- mine Freiberg, Germany n o i t a v o n n of i s y a...Tanzan Aura Quartz Imperial Gold 2 / 3 OFF! Quartz 2 / 3 OFF! Oregon Opal TM Satya Mani Quartz 2 / 3 OFF...TM Azeztulite TM Chakra Jewelry Siberian Blue Quartz Herkimer Iolite Jewelry 2 / 3 OFF! Aquamarine |
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(2019) MetaGuide Magazines Tucson Guide. Heaven & Earth Publishing |
Journal (issue) |
| White Azeztulite 157 Green Fire Azeztulite 159 _Blue_-Green Azeztulite 172 Why Am I Giving Away 10,000...Orthoceras Goniatite Azurite Vanadinites Aragonites Quartz Barite All kind of Selenites and much more! ● ...high and serious. It is the stimulation of all the Quartz in the Earth to open to the Celestial Fire, the...Mayan Artifacts Come sit in the Genius Expansion Quartz Singing Bowl Chair 2nd Floor Conference Room,...Quality Specimens These rare and beautiful Ajoite in Quartz specimens are full of rich color, completely natural |
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(2009, Fall/Autumn) The Metaphysical Buyers Guide. Heaven & Earth Publishing |
Journal (issue) |
| Discovery! Golden Azeztulite Crystals Satya Mani Quartz Lemurian Aquatine Calcite - Reader Services...855.7697 FAX: 915.856.7750 CELL: 915.329.4362 Danburite Multi-Color Calcite Fire Opal Angel Wing Selenite...Jewelry & Stones Owyhee Blue Opal Lapis Stones & Jewelry Siberian Blue Quartz* Cacoxenite Jewelry...Padparadsha Sapphire* Blue Sapphire* Yellow Sapphire* Ruby* *Lab Grown Gems Tanzan Aura Quartz Azeztulite ...Moonstone Alexandrite* Jewelry Jewelry Imperial Gold Quartz Chakra Oregon Opal Jewelry Goddess Jewelry |
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O'Donoghue, Michael (2006) Gems : their sources, descriptions and identification (6th ed.) Butterworth-Heinemann. |
Book (edition) |
| 20 21 22 23 24 25 26 27 28 29 30 31 Spodumene Quartz Opal Turquoise Lapis Lazuli Jade – Geology and...of glass closely resembling opal in appearance. Quartz, which for many years has been manufactured in...synthetic coloured stones not only in shades of blue and green, but in stones virtually indistinguishable...the comprehensive main table of constants. The new blue zoisite gemstone, Tanzanite, has called for an alteration...First Edition For two decades, an earlier work of mine – Practical Gemmology – has proved a useful elementary |
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(2009) The Metaphysical Guide to Tucson. Heaven & Earth Publishing |
Journal (issue) |
| Azeztulite) Sanda Rosa Azeztulite The Return of Satyaloka Quartz Book Reviews: The Mystery of the Crystal Skulls...Music Crystal Bowls Around the World Satya Mani Quartz 159 156-157 Advertiser Index Show Map and Locations...Mineral Specimens, Polished Points, Quartz Crystals, Rutilated Quartz, Sacred Geometry Pieces, Spheres,...QuartzTM AzeztuliteTM Chakra Jewelry Siberian Blue Quartz Herkimer Jewelry Iolite Aquamarine Nuummite...Vivid Hues, plus Unique Designs & Gem Combinations! Blue Sapphire* Yellow Sapphire* *Russian Lab Grown |
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(2008) Richard Tayler Minerals Catalogue 105. Richard Tayler Minerals |
Catalog/List |
| Namibia £25 (see left) B) Ix2 £ 15 2. ROSASITE thick blue coating of micro xls and masses on 2x 1 matrix (Tsumeb...inch area of curious flattened c1ystals Nanisivik ,Mine, Baffin island , North West Territories Canada £25...RUTILE brownish reticulated c1ystals laying flat on Quartz, one x half inch area. Rooisand Gamsberg Namibia£...BARYTES and QUARTZ translucent pale brown cleavage, possibly with xl faces an a I x l quartz attachment...12. QUARTZ after Aragonite greyish hexagonal c1ystals about 3 to 5mm in a Ix I area on I x2 quartz. Kando |
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Galopim de Carvalho, Rui (2024) Gempedia. AIGS. |
Book |
| discussions regarding the production of the CIBJO Blue Books (sets of standards and nomenclature). As gemmologist...of a considerable portion of the industry, from mine to market, and hence a reference for terminology...Zealand. The nacre has strong iridescence and rich blue to green and red to purple overtones, depending...with a high silica content, usually with abundant quartz and sodium of K-feldspars (e.g. granite, rhyolite)...acicular habit as a needle-like inclusion (e.g. in quartz, emeralds from the Urals and from Austria), and |
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(2018) MetaGuide Magazines Fall Buyers Guide. Heaven & Earth Publishing |
Journal (issue) |
| Selenite Items Blue Barite Aragonite Calcite Azurite Malachite Vanadinite Hematite Quartz Crystals Pyrite...Pyrite Calcite Trilobites Fossils Shark Teeth Quartz Geodes Polished Items and much more! l l l l l...Orthoceras Goniatite Azurite Vanadinites Aragonites Quartz Barite All kind of Selenites and much more! l ...* ROUGH STONES * HIMALAYAN QUARTZ * MINERALS * ACCESSORIES EXOTIC QUARTZ PRETTY MINERALS ACCESSORIES...2019 Mineral & Fossil Co-op 1635 North Oracle Road Blue Calcite & Amethyst Polished Shapes ● Aragonite ● |
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Simmons, Robert, Ahsian, Naisha (2005) The Book of Stones - who they are & what they teach. Heaven & Earth Publishing LLC, East Montpellier, VT. |
Book (edition) |
| thought it at first just a member of the category “quartz,” that was supposed to have extraordinary properties...Apophyllite 45 Clear Apophyllite 46 Aqua Aura Quartz What Do I Do with My Stones? Aquamarine Who...Kingdom 49 51 Aragonite Star Clusters xxvii Blue Aragonite Adamite 1 Astrophyllite Adularia ...Sa Ellensburg Blue Agate Fire Agate 9 1 59 AgniGold Danburite Ajoite (Ajo Quartz) 60 63 65 Benitoite...(Iceland Spar) 31 Blue Calcite Angel Aura Quartz 33 Angel Phantom Quartz Angelite (Blue Anhydrite) 39 |
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(2008) Richard Tayler Minerals Catalogue 105. Richard Tayler Minerals |
Catalog/List |
| OH Ix! £3 lx2 £6 2x2 £10 34 ■ ANDRADITE Benallt Mine, Lleyn Wales Pale beige fine grained mass with reddish...serpentine. Ix! £5 lx2 £10 38 BANALSITE Benallt Mine, Lleyn Wales Rich brown mass with approx 5 % Cymrite...BANNISTERITE Benallt Mine. Lleyn, Wales Dark brown veinlets throughtout calcite/ quartz matrix. Very rare...■ BRAUNITE Praboma Mine, St Marcel ,Piedmont, Italy Dark grey massive with quartz or red mica lxl £4...FLUORESCENCE Long wave Jxl £4 442 ■■ CARYOPILITE Bemallt Mine, Lleyn Wales thin felty brown vens in Calcite Mn |
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(2009) Richard Tayler Minerals Catalogue 108. Richard Tayler Minerals |
Catalog/List |
| with Gocthite and Lepidocrocitc. single blue 3mm crystal on quartz fcO Ot I Cl £5 3mm£3 ,o _____ __ ___T...lx2 £2 lxl£3 2x2£12 lx2£5 lxl £1 ----· Hawkswood Mine, Cornwall ANDALUSITE Cabracao, Minl10, Portugal...FLUORESENCE short wave Quite rich pink masses with quartz and or mica lxl £3 FLUORESENT lx2£6 2x2£l 2 lx2...Andalucia Spain. Type Location New East Whcal Russell mine, Devon ,England 140 grey bleby small botryoidal..._lx2_ _80 _ _____ _,o 1129 ALMANDINE Braslad iron Mine near Arendal ,Norway Unknown location I 1 63 □a |
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