 | | Book | | Painopaikka | Printing house: Lönnberg Print & Promo, Finland ISBN 978-952-217-253-2 (sid.) ISBN 978-952-217-254-9...Geological Survey of Finland Espoo 2017 SUOMEN KORUKIVET Gemstones of Finland Kari A. Kinnunen Risto... In addition, the rock types commonly used in Finland as gemstones, are now documented in detail. Photography...demonstrate that more gemstones are known from Finland than from other Nordic countries.The great activity.... . . . . . . . . . . . . . . . . 31 Western Finland 215 Beauty is born from shape . . . . . . . |  | | Journal (article/letter/editorial) | | Bob gave me a loose crystal of faintly yellowish topaz CONNECTICUT—"The J u 1 y-A u g which he dug out...is characteristic of of idocrase at the Gillette Quarry in Had- the mineral. I believe this to be one of...a new discovery of that material "The Tollgate Quarry in Middletown at the famous old locality. What...is being made to organize from the wall of the quarry. The remnants a mineral club in this part of the...a chance to pick up specimens. scheelite at the quarry, but only as specks. The terrain consists mostly |  | | Journal (issue) | | star and cat's-eye stones are described. Pale blue topaz from Brazil shows chatoyancy caused by flat hollow...moonstone, rhodochrosite, stars, sunstone, topaz Large topaz cat's-eye from Brazil A very unusual example...ct and measuring Figure 1: Chatoyant pale blue topaz from Brazil weighing 152.15 ct. Photo by J. Hyrsl...32.94 x 24.91 x 20.25 mm. It was identified as topaz from a spot RI of about 1.62 and from a biaxial... Figure 2: Iridescent flat hollow channels in a topaz cat's-eye grow in one direction from small unidentified |  | | Book | | Turquois Tourmaline 60 Opal 69 64 Pearl 71 Chrysolite 78 Garnet 80 Topaz Apatite Felspar ......corundums to the humbler 9 quartz, ame- and topaz. It has been a mooted question as to the proper...almandines being less valu- able than the softer opal, while the dia- mond, one stones, is of the ...complete because fashion makes a turquois, an test, opal, or an emerald much more valuable one time than...found. amorphous condition includes the turquois, opal, and obsidian, which minerals are found in masses |  | | Book (edition) | | 6. Orthoclase 1. Talc 2. Gypsum 7. Quartz Topaz Corundum 10. Diamond 3. Colcite 8. 4. Fluorite.../^^ RUTILE SAPPHIRE 1^ TOURMALINE CRYSTALS TOPAZ CRYSTALS 4 GEM hunter's GUIDE (Cross-seaion at...weakness in the molecular structure of the mineral. Topaz, for instance, cleaves readily along the short direction...cation (moss-like), will be frequently misled All topaz crystal And is such a chameleon color, or jasper)...to his rough field for instance, that massive topaz quartz, although in the will come to tests. |  | | Book | | tourmaline, magnetite, zircon, gold, platinum, topaz, beryl, ruby and sapphire. One important rock in...Fluorite Apatite 6. 7. 8. 9. 10. Feldspar Quartz Topaz Corundum Diamond (hardest) This is a very old scale...indicated by a distinctive stone like a diamond or a topaz. On the other hand corundum is a more general classification...apatite, and a topaz will scratch feldspar and quartz. Only corundum and diamond will mark topaz, but co¬ rundum...it had no distinctive shape. It might be quartz, topaz, corundum or diamond. Unless one had some way of |  | | Journal (issue) | | ZODAC Contents for March, 1940 CHIPS FROM THE QUARRY ................................................. . . . . . . . . . . . . . . . . . . 87 GIANT TOPAZ ACQUIRED BY HARVARD UNIVERSI1Y .............. 88...Steatite pseudomorph_s after Enstatite crystals. A new quarry nearby is quite interesting. A number of minerals...visit the other districts. SWEDEN En route to Finland over Sweden we . made a side trip up to one of...station master. YTTERBY ISLAND Returning from Finland we visited an• On the newest dump only a few min- |  | | Report (volume) | | and sapphire are considered precious gems. Some opal is precious, but most varieties are semiprecious...octahedron. Ready cleavage, however, can be a handicap; topaz and kunzite, for example, are difficult to cut into...Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum Diamond The numbers preceding each mineral...to lapis lazuli and other blue stones; the term "topaz," to all yellow stones; and 206 CONTRIBUTIONS...some of the tints rarely found in nature. Yellow topaz from Brazil can be heated carefully and cooled to |  | | Book (volume) | | long. In addition, gem Garnets, Quartz crystals, Topaz and Tourmaline add to the fascination of these pegmatites...banks, tributary gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes...slopes, stream beds, etc. petrified wood, wood opal; along the Grand R. though entire Co., regional...banks, breaks, gravels, etc. petrified wood, wood opal. 438 A Location Guide for Rock Hounds in the...minesColumbite, Gold, Silver, etc.; and (2) Old Marble Quarry on the Needles Hwy. 5.5 mi. NEScheelite, and deep |  | | Catalog/List | | metallic cleavage piece about 5mm (Nurma, Seinajoka Finland) 5mm £3 480 PYROCHLORE Ca Na NbO OH F individual...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...metallic fibrous on' 2cm white dolomite. ' (Lengenbach Quarry,Binn Valley Switzerland) £4.50 163 GALENA Lead |  | | Report (edition) | | expanded to include additional occurrences of emerald, opal, agate, chalcedony, organic gems, tiger eye jasper............................... 70 Chapter 7 Topaz 71 Topaz properties............................................................................. 71 Topaz in Western Australia........................................................ 107 Chapter 10 Opal 109 Opal properties.............................................................................. 109 Opal terminology.................................... |  | | Journal (article/letter/editorial) | | long, a theropod dinosaur from the Coelophysis quarry, Ghost Ranch, Rio Arriba County, New Mexico. Displayed...photo. Figure 10 (above). The Roebling black fire opal, approximately 10 cm long, from Virgin Valley, Nevada...Parks completed an A-frame shelter over the largest quarry for visitors. In 1970 the state acquired the nearby...black fire opal as the state precious gem. This selection celebrates that the best black fire opal in the...Humboldt County. Black fire opal can be better described as a dark opal that exhibits metallic peacock-feather |  | | Report (edition) | | ........................... 71 Chapter 10 Topaz 73 Topaz properties ............................................................................ 73 Topaz in Western Australia........................................................ 108 Chapter 13 Opal 109 Opal — gemstone properties .................................................................. 109 Opal terminology ........................................................................ 110 Precious opal in Western Australia .......................... |  | | Book (volume) | | chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the Arizona agatized wood. This...the western counties, especially the Clay Center Quarry 12 miles southeast of Toledo but in Ottawa Co....jct. of Brint St. and Centennial rd., the Medusa Quarry (SW of 4 quarries), very many specimens⎯fossils...deposits⎯Hematite. OTTAWA COUNTY CLAY CENTER, area limestone quarry, famed⎯Calcite, Celestite (fluorescent), Dolomite...secondary line rd., then N ½ mi. to Maple Grove Quarry) ⎯Calcite, Celestite, Dolomite crystals, Fluorite |  | | Book (volume) | | chert, translucent chalcedony, jasp-agate and common opal, rivaling in beauty the Arizona agatized wood. This...the western counties, especially the Clay Center Quarry 12 miles southeast of Toledo but in Ottawa Co....jct. of Brint St. and Centennial rd., the Medusa Quarry (SW of 4 quarries), very many specimens⎯fossils...deposits⎯Hematite. OTTAWA COUNTY CLAY CENTER, area limestone quarry, famed⎯Calcite, Celestite (fluorescent), Dolomite...secondary line rd., then N ½ mi. to Maple Grove Quarry) ⎯Calcite, Celestite, Dolomite crystals, Fluorite |  | | Catalog/List | | - - - AMAZONITE Pure green cleavage Landsverlc quarry, Evje, Norway lxl S0p ALAMOSITE fcLp 10 g:...with Chrysotile, pale grey-green County Bridge Quarry,Lizard ,Cornwall MgFeSiO massive. Minas Gerias...MITE Creamy white micro crystals in cavirties Saga Quarry, Tvedalen, Norway Ix½ £3 Al O OH in Natrolite _...bro.,..'l'l fibrous in matrix. Found some Meldon Quarry, lxl £1 lx2 £2 years ago Okehamton,Devon Quite...Rudabanya Hungary 1 xl £2.50 lxl £2.50 Meldon Aplite Quarry, Okehampton Devon Chester Vermont U.S.A ----- |  | | Journal (issue) | | iozite (wustite), maghemite, melanophlogite ( + ) , opal (x1), periclase, pyrolusite (х1), quartz (!x1),rutile...Karslve!! 5. Khyr-Ptlуаki б. Nauchпyi 7. Pervamarskil Quarry 8. Baklа Mountain 9. Klzilovka (former Karagºch)...Ravine 12. Petropºvlovskii Quarry 13. Lozovskoi Quarry 14. B1yuk-Yankoiskii Quarry 15. Ауи-Dag mountain 16...Lysaya Mountain 27. Maifovka Lake 28. Gornostaevskli Quarry and su(fur occurrence 29. Chekur-Koyash sulfur...pumpellyite-(Fez+) (x1); staurolite; titanite; topaz (?); zircon; zoisite; vesuvianite. Cyclo silicates |  | | Journal (issue) | | July 1943 PUBLISHED MONTH LY CHIPS FROM THE QUARRY .................................................................................. 199 PRECIOUS OPAL DISCOVERIES IN OREGON. PEGMATITES. By David M....place: Jane Hagar Assorted cabochons of pale blue opal in agate, and assorted lapis lazuli : Jane Hagar...Smith Mr. and Mrs. Roy Cass Thomas Warren PRECIOUS OPAL DISCOVERIES IN OREGON Editor R & M: ls this just...mention the name of the cowboy who discovered the opal in Virgin Valley. I am making no claim at all but |  | | Journal (article/letter/editorial) | | you will find the mine (quarry). Please close all gates after you. This quarry is the newest of the lithium...minerals only present in this type of pegmatite. The quarry was opened up early in 1962 by two young miners...generally considered to be of Paleozoic age. The Walden quarry is located in a lenticular body of pegmatite. It...Pidlite dike of Mora County, New Mexico contains both topaz and spodumene, rare montebrasite, as well as microlite...the center of the pegmatite in both the Walden quarry pegmatite and the Harding pegmatites. Tantalite |  | | Book (edition) | | under 100 lbs., 400/lb. over 100 lbs. Black Mountain Opal Mine. Write Lander's Turquoise, 321 East Andy Devine...rockhound ranch. $5-00/yr. dues- Petrified wood Fire opal Fire agate, desert roses Flower agate, snowflake...Camping $1 *00/day, trailers $2*00/day. **Mariposite Quarry (Mariposa), CoulterM ZUie. CA 95311- Fee: 5f/Xb~...each, $3-00 each unguided. Under 12 yrs. old free. Opal Hill Mine, Helen Madden, Box 232, Palo Verde, CA... Fee: 50^/lb. Jasp-agate, petrified palm wood, opal Epidote, antigorite, serpen¬ tine, diopside, garnet |  | | Book | | Contents C ut citrine Ba ryte desert rose Clear topaz 6 The Earth 8 What are rocks and minerals? 10...1nolten or igneous. 10 ~......._Migmatite fro1n Finland DEPOSIT OF SEDIMENTS WEATHERING Sediments are...1nany beaches at low tide. 1n this speci1nen from Finland, ripple tnarks are preserved in sandstone, showing...schist Red ganzet crystals 19th-century sla te quarry Kyanite-staurolite schist SCHISTS An important...world's most famous marble comes from the Carrara quarry in Tuscany, Italy. Michelangelo used it, since |  | | Book (volume) | | Hallelujah Junction, Nevada; blue, cushion cut topaz (25.30 ct), Ramona, California; brownish yellow...Bennets Quarry, Oxtond County, NUE taetat cece eter ee Figure 10. Scene -ateBennett Quarry, Oxtora...of northern NJ quarry containing natrolite crystals... 236 Figure 49. Map of opal mine locations,.............. 347 Figure 75. Scott rose quartZ quarry. ih the Black Hillss SD meee i eatcerris Figure.........cececseeeees 408 Figure 83. Poudrette Quarry on Mont Saint-Hilaire, Quebec .........ccessss |  | | Journal (article/letter/editorial) | | lepidolite, colored tourmaline, beryl, apatite, topaz, fluorite, phenakite, bertrandite, etc. Paragenetic...inter-grown with c/eavelandite Irom the Walden Quarry, Poriland, Conn"ecticut. ROCKS AND MINERALS 595...very late cleavelandite; a very minor phase of topaz mineralization; and finally the deposition of the...crystals in vugs in cleavelandite. At the Ruggles Quarry, Grafton Center, New Hampshire autunite is closely...all very late minerals in that pegmatite. Hyalite opal was also deposited from solution as a very late |  | | Journal (issue) | | basaltic rocks.5 2. The topaz is bright red, even more than an anthrax. It is found in Topaz, a city of India...for those dyingfrom [eating'] "sea-grape" J The topaz described by Pliny was green, almost certainly the...true that nowadays a red topaz is known, but this is because the name topaz has been restricted to aluminium..., 8 437 seems fairly clear that Epiphanius's topaz is not the same as our stone. Perhaps his reference...anthrax is not fortuitous and indicates that his topaz is actually a kind of almandine. T h e name almandine |  | | Journal (article/letter/editorial) | | molybdenite, monazite-(Ce), muscovite (crystals), opal (variety hyalite), phenakite (microcrystals), quartz*...quartz* (smoky, crystals), titanite (microcrystals), topaz* (crystals, sherry and pink), zircon (microcrystals)...Nature specimen, Jeff Scovil photo. Figure 6. Topaz on microcline, 4 mm across, North Conway, Carroll...(crystals), opal, quartz* (smoky, crystals; amethystine, scepters), stolzite (microcrystals), topaz (crystals)...siderite), microcline (crystals), monazite-(Ce), opal (hyalite), pyrochlore (crystals), quartz (crystals |
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