 | | Book | | wolframite orthoclase olivine f struvite N hemimorphite | | System 29 9 & | Monoclinic The Orthorhombic]...results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned in such a way that they form...between that of the sample and that of the next lower grade. In this case we consider the hardness to...Different scratch hardness on kyanite 20 somewhere lower grade adding a half-grade to it. Although the determination...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...manganese oxide on limestone, Solnhofen, Bavaria, Germany * 11.5 x 24 x 0.5 om MINERALS: PRODUCTS OF A...such as Porcupine and Hemlo districts; Noranda district, Quebec. USA: Mother Lode belt and others in...Localities Canada: Cobalt mining district and Thunder Bay District, Ontario. USA: several localities... Wire silver, Silver Islet Mine, Thunder Bay District, Ontario, Canada * 11.5 x 14x 11 om Silver has |  | | Catalog/List | | plastic box. Friedrichsegen Mine, bad Ems , Lahn .Rhineland-Palatinate Germany £18 7 SULPHUR small crystals...crystals in Basalt 5x6 cm Limberg No 1 quarry, Kaisersthul, Germany £4 11 LAVOISIERITE rich brown fibrous...good long wave orange fluorescence 3.5x3cm Koksha valley Badakhshan Afghanistan £35 22 CANCRINITE yellowish...of Hydrocarbon Berbes, Asturias Spain. £4 33 HEMIMORPHITE colourless micro crystals in cavities in Barytes...micro crystals on 1x2 cm Dolyhir Quarry, Old Radnor Powys £5 54 HEMIMORPHITE good covering of micro crystals |  | | Catalog/List | | ALLEMONTITE An intergrowth of arsenic and antimony Germany Harz Mountains, Andreasberg Rich gray botryoidal...marble ..... . Connecticut Canaan, New England Lime quarry Silky white xl prisms in dolomitic marble .......material ........... Arizona Cochise Co. , Swisshelm district Rich brown to gray massive, some with minor cerussite...aluminum silicate Calilornia Placer County, Grass Valley Hornblende Norite Broad white crystal sections...chloro-phosphate :\'ew Hampshire Grafton Center, Ruggles quarry Olive green masses in pegmatite ....... Fl. APOPHYLLITE |  | | | | galaxite 24 heliodor 93, 93 hematite 25, 25, 27 hemimorphite 86, 87 hercynite 24 hessonite 77, 78 heulandite...rocks rich in magnesium and poor in silica, such as gabbro and peridotite. It is normally found in granules...brownish black, at Freiberg and Andreasberg in Germany, and also in the United States (Arizona). Antimony...found at Butte, Montana, and the Copper River district of Alaska. A much rarer mineral is covellite,...found in crystals if occur at Freiberg in Saxony, Cavnic in Romania, Schwaz in the Tyrol (Austria) |  | | Book | | look for. Michael O’Donoghue Proustite (East Germany) 7 Rocks We can define a rock as a large mineral...Darker and even poorer in silica than diorite is gabbro, containing a calcium-rich plagioclase and pyroxene...Granite Nepheline syenite Syenite Dio rite Gabbro Peridotite 13 Dunite Serpentinite Rhyolite...the fixed index (the ordinary ray) at a higher or lower reading than the moveable (extraordinary) ray. Where...incident beam are retarded by passing through to the lower side of the film, rejoining the main beam either |  | | Book | | hedenbergite 96 heliodor 93, 93 hematite 25, 25, 27 hemimorphite 86, 87 hercynite 24 hessonite 77, 78 heulandite...found in igneous rocks rich in magnesium and gabbro granules and and poor in silica, such as peridotite...brownish black, at Freiberg and Andreasberg in Germany, and also in the United States (Arizona). Antimony...found at Butte, Montana, and the Copper River district of Alaska. A much rarer mineral is covellite,...Switzerland. Good crystals I occur at Freiberg in Saxony, Cavnic in Romania, Schwaz in the Tyrol (Austria) |  | | Book | | minerals are the raw materials of the landscape. Every valley, hill and mountain peak is made entirely of rocks...just 20km/12 miles beneath California’s Central Valley, it is substances like zinc and lead that join...so great that the iron simply cannot melt. The lower mantle is 6702,900km/420-1,800 miles down. Here...the underside of the crust, creating rocks like gabbro. Some oozes up into vertical cracks created by...drop away down these 'faults' to open up a rift valley, flanked by mountains formed from blocks that didn't | | | Book | | ntanite augne orthoclase barytes sulphur hemimorphite olivine g S. a 2 « « >• F— cz2 o scheelite...results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned jn such a way that they form...that of the next lower grade. In this case we consider the hardness to be of the lower grade adding a half-grade...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...identification. Nobody should be discouraged by initial bad luck, it is sometimes difficult even for an expert |  | | Journal (volume) | | G. Tindle 23-25 PAPERS Danburite from Meldon Quarry, Okehampton and other UK localities Michael S....produced world class specimens of pyromorphite, hemimorphite and plumbogummite. The supergene mineralogy...head of the Dale Beck Valley in the Caldbeck Fells of the northern Lake District and include workings...the workings in Iron Crag (which terminates the valley). As part of an ongoing survey of the mines of...Roughton Gill is the largest mine in the Dale Beck valley and one of the largest in the whole of the Caldbeck | | | Book | | brownish black, at Freiberg and Andreasberg in Germany, and also in the United States (Arizona). Antimony...found at Butte, Montana, and the Copper Rjver district of Alaska. A much rarer mineral is covellite,...Switzerland. Good crystals ll occur at Freiberg in Saxony, Cavnic in Romania, Schwaz in the Tyrol (Austria)...with a metallic lustre, mainly at SiegerJand in Germany and in Bohemia (Czechoslovakia). It is found at...mines in Carinthia (Austria), Freiberg in Saxony (Germany), Alson Moor in Cumberland (England), and Broken |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite...at the Himmelsftirst mine, Freiberg, both Saxony, Germany. In the subtropical areas acanthite may occur...byssolite. Mono- coast of North America: Kobuk River Valley, Alaska, clinic, C2/m, a,b,c = 9.89, 18.20, 5.31 |  | | Journal (article/letter/editorial) | | Ladysmith (Rosemeyer 1999, the Vulcan Materials quarry in Racine (Scovil 1994), the pegmatites of Florence...marcasite. A major mining district, the Upper Mississippi Valley zinc-lead district, was in these rocks in...and copper minerals were found. Mining in this district ceased in the late 1970s. A branch of the Middle...may have omitted. Adams County Hamilton Mound. A quarry is located in the NE 1/4 sec. 36 T*20N*R.6E.: potassium...converted to a hornfels at the contact with the Mellen gabbro complex: apatite, fayalite, ferroaugite, grunen'te |  | | Catalog/List | | two earlier catalogues, but now offered at even lower prices. Additionally, I have included some specimens...golden-yellow nodule, A/20. ANALCIME. Enderby Quarry. Leicestershire. This specimen is more interesting...2.5x2x1.25", £4.00 1. ANALCIME/NATROLITE. Dean Quarry, St. Keverne, Lizard, Cornwall. Pearly white to...to about 0.75" in size developed on surface of Gabbro matrix plus, minor crystalline Natrolite and Calcite...75x1", £7.50. 2. ANALCIME/NATROLITE/CALCITE. Dean Quarry, St Keverne, Lizard, Cornwall. Pearly white, large |  | | Catalog/List | | inclusions. 1/2" to lxl'' $3.50, $5.00and $7.50 ...... Germany East Prussia, Palmni.cken, Baltic Sea. Fossil resin...silicate. Connecticut Canaan , New England Lime quarry. Fl. White crystal prisms in dolomitic marble ................. . Pennsylvania Easton, Williams quarry. White fibrous with calcite, asbestos-like. New...display specimens ... New Jersey Paterson, Lower New Street quarry. White trapezohedral crystals in groups...Lead sulfate. Arizona Cochise County, Swisshelm district. Rich gray-to-tan replacement of galena with nodular |  | | Catalog/List | | APRIL 1974 1. NATIVE ARSENIC. Burraton Combe Quarry, St. Stephens-bySaltaoh, Cornwall. Specimen A -...red, hackly sheet. ltx;\-". 50p. CUPRITE. Marke Valley Mine, Linkinhorne, Cornwall. h bright shining maroon...EMPLECTITE. Tannenbaum, Nr. Schwarzenberg, Saxony, Germany. Rich, metallic, tarnished bladed maSS8S thickly...2xlixlt". £5. 39. ERYTHRITE. Schneeberg, Saxony, Germany. Bright pink elongated flattened needly crystals...intergrmIn mass with very minor uartz. 2txltxlt". £8. HEMIMORPHITE. Roughtenghyll, C~ldbeck Fells, Cumberland. |  | | Catalog/List | | CABRERITE (Magnesian Annabergite). Laurium, Attica district, Greece. Light green small sharp crystals lining...2x1tx1", £3.7Sp. 14. CALCITE. St. Andreasberg, Harz, Germany. Specimen A: Select translucent to transparent... A large geode-like cavity in calcite/ altered gabbro matrix lined with transparent creamy coloured well...~-x2t", £6. SOp 16. CARPHOLITE. Wippra, Harz, Germany. Rich golden coloured radiated crystalline masses...crystal. 1x*", £1.25p 43. GALENA. Clausthal, Harz, Germany. Select mmdified sha~p bright crystals to over |  | | Journal (issue) | | Administratively, the Imeretinsky site is located in the Urup district of the Karachay-Cherkess Republic, 60 km SW of...Jurassic Laura dike complex consisting of dolerites, gabbro-dolerites, porphyry dolerites, and ophite olivine-bearing...CaCe(A~Fe 2•) [Si ++ Albite Na(Al5i 30 8 ) Hemimorphite Zn 4Si 20 7 (0H) 2 •H 20 Diopside CaMgSi...hydrozincite, rosasite , beaverite(Zn), and hemimorphite. Chalcopyrite is common as small brass-yellow...vernadite, Zn-bearing malachite, rosasite, and hemimorphite. The chemical composition ofaurichalcite is |  | | Catalog/List | | crystal about 2cm tall and one cm across. Francon Quarry, Quebec Canada £50 2. BERYLLONITE translucent...tinge. Charcas, San Louis Potosi mex1co £25 I 0. HEMIMORPHITE very rich mass of intergrown and free-standing...section and some fine grained Lepidolite matrix. Doce valley, Minas Gerais, Brazil 3x1.5 inches £35 12. SAPPHIRINE...salmon-pink Barite in the matrix (not fluorescent) Crich Quarry Derbyshire £ I 0 21. HYDROZINCITE visible with...pinkish crystal about half inch size (Linopolis district, Divino das Laranjeiras, Minas Gerais, Brazil) |  | | Catalog/List | | chlorophosphate New Ham.12shire Graf ton Center, Ruggles quarry ...... Olive green masses in pegmatite ...... ARAGONITE...$1. 50. New Mexico Socorro County, Hansonberg district Large white crystal sections, select ....... ...................... . Southern Rhodesia Miami district Yellow-green hexagonal crystal prisms from l"...aluminosilicate New Jersey Phillipsburg, Royal Green quarry Olive green coarse micaceous plates with serpentine...plate ........ . " BISMUTH Native bismuth Germany, Saxony, Schneeberg Gray metallic plates·tn cobalt |  | | Book | | specific gravity are again defined as groups for the lower section of the multicolored margin bar. As man y...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...crystals, and weathered surfaces can give a false lower hardness. After the test scratch, a powder-like...zircon and sphene, where double refraction at the lower edge of the crystal can be observed with the naked... 3◄ 4 ◄ 5 ◄ Sassolite boric acid G) Death Valley, California/ USA B(OHb Streak white. Mohs' hardness |  | | Book | | composition into an opaque amorphous mass with much lower properties, such as refractive index and specific...significantly reduced 18O content (down to <10%), much lower than the 18O composition of the solution after reaction...the apatite, with the presence of NaF producing a lower nucleation density, larger crystals and coarser...to end member FAP, whereas samples reacted with lower F content are probably replaced by hydroxy-FAP (Ca10(PO4)6OHxF2x)...between calcite and hydroxyapatite (13.4%) is lower than between calcite and FAP (14.7%). The replacement |  | | Catalog/List | | hrdownie Quarry specimens. Also "Potato Stones" from the Hendips. 4. ANALCIME.Magheramorne Quarry,Larne...trapezohedral xtls to 3mm. t5 each. 5. ANALCIME.Croft Quarry,Croft,Leicestershire.7 specimens.Specimen A-white....tlO. 16. ARAGONITE/ROCK CRYSTAL. Greystones Quarry,Launceston,Cornwall. Large milky Quartz breccia...tl2. Attractive. 18. ARSENOPYRITE.Hingsten Down Quarry,Calstock,Cornwall. 2 specimens. Specimen A-matrix...SC,t.6. 19. ARSENOPYRITE(CHLORITOID), Penlee Quarry,Newlyn,Cornwall. Quartz fragment encrusted and |  | | Report (Issue volume) | | production has come from the Bamford and Sinking Valley deposits of similar 1 type. The Gap nickel mine...mine and the chromite deposits of the State Line district follow at $5-7 million. The Phoenixville type...23 24 25 26 27 28 29 30 Bonneaughtown Teeter's quarry Gettysburg Hunterstown Near Heidlcrsburg Center...Mills Near Center Mills Idaville Gargol Buchanan Valley Cashtown Orrtana Carr Hill Fairfield (Mell's mine)...NE Pipersville 2. 7 mi. NE Pt. Pleasant Delaware quarry U mi. NE Pt. Pleasant Unnamed New Hope Ingham Spring |  | | Journal (article/letter/editorial) | | Mineral Museum in Butte. of gold in the Deer Lodge Valley of western Montana (Keys 1868). While returning...(Staatz et al. 1979). Browns Lake mine, Rock Creek district, sec. 3 and 4, T. 4 S., R. 10 W. Mined from 1954...1972). Calvert mine = Red Buttons, Wise River district, sec. 12, T. 1 N., R. 13 W. The pit is reached...(Heinrich 1950, 1964). Charter Oak mine, Blue Wing district, sec. 4, T. 8 S., R. 11 W: aurichalcite, calcite...calcite (crystals), cerussite, mimetite, hemimorphite (crystals), mimetite, pyromorphite (microcrystals) |
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