 | | Report (issue) | | and quartz/calcite specimens from Lowville, Lewis County, New York—an occurrence, 95 miles or so north of...is $1,500. Quartz, 5.2 cm, from Lowville, Lewis County, New York. Geologic Desires specimen; Mike Walter...Walter photo. Calcite, 9 cm, from Lowville, Lewis County, New York. Geologic Desires specimen; Mike Walter...babingtonite from the Roncari quarry, East Granby, Hartford County, Connecticut. Yes, I’ve noted earlier...like it—but I must say that it’s hard to imagine Roncari babingtonites that are better than Ed’s new ones |  | | Report (issue) | | Datolite CaBSiO4(OH) ° c 2001 Mineral Data Publishing, ver sion 1.2 Crystal Data: Monoclinic. Point...the USA, large crystals from the Lane quarry, West¯eld, Hampden Co., Massachusetts; in the Roncari quarry...quarry, East Granby, Hartford Co., Connecticut; from Bergen Hill, Hudson Co., Great Notch, Essex Co., and...Park, Passaic Co., New Jersey; in the Goose Creek quarry, near Leesburg, Loudoun Co., Virginia. Very large...(1973) A re¯nement of the crystal structure of datolite, CaBSiO4 (OH): Amer. Mineral., 58, 909{914. All |  | | Journal (article/letter/editorial) | | CONNECTICUT Mineral Locality Index Although many sites in Connecticut are no longer open to collectors...H. WEBER 1172 West L a k e Avenue Guilford, Connecticut 06437-1342 E A R L E C. SULLIVAN 17 R o c k y...y R i d g e D r i v e T r u m b u l l , Connecticut 06611-5326 T his locality index is meant to serve...collectors. More often than not, collecting in Connecticut is no longer per mitted. Many of the localities...effort has been made to list a l l localities in Connecticut, a small state that is big on mineralization |  | | Journal (article/letter/editorial) | | issue), datolite has been suggested as the topic of this Connoisseur’s Choice feature. Datolite crystals...green, and pink to white and colorless; nodular datolite is typically white or pastel shades of pink, yellow...fluorescence characterizes some New Jersey datolite. Datolite is commonly seen in monoclinic (2/m) crystals...of some datolite and is derived from the Greek word dateisthal meaning “to divide.” Datolite is a calcium...CaBSiO4(OH) and is a member of the gadolinite-datolite group. Most analyses show very minor amounts of |  | | Report (issue) | | low-grade metamorphism. Association: Zeolites, datolite, pectolite, calcite, epidote, copper. Distribution:...GraubÄunden, and St. Gotthard, Ticino, Switzerland. In the USA, from Paterson, Passaic Co., and Bergen Hill, Hudson...Fairfax quarry, Centreville, Fairfax Co., Virginia; in the Roncari quarry, East Granby, Hartford Co., Connecticut;...Connecticut; in the Hampden quarry, West Spring¯eld, Hampden Co., Massachusetts. Fine crystals in the... Asbestos, Quebec, Canada. From the Khandivali quarry, Bombay, Maharashtra, India. In Copper Valley, |  | | Journal (issue) | | diamond.............. p. Prehnite From Southbury, Connecticut Bench Tip: Depth gauge for drilling ..... p...Newsletter Prehnite, O&G Southbury Quarry, Southbury, New Haven County, CT. Photo: Bob Cooke. the specimens...minerals. It also forms epimorphs after calcite, datolite, or analcine. (An epimorph grows when one mineral...through many shades of green. The Upper New Street Quarry was active from 1893 to 1925, although specimens...Prospect Park Quarry, Paterson, NJ. Bottom: Prehnite with babingtonite, Roncari Quarry, East Granby, Hartford |  | | Journal (article/letter/editorial) | | In Memoriam RONALD EARL Windsor, BENTLEY Connecticut (1948-1995) R O N B E N T L E Y suc cumbed...discovery of an amethyst specimen at the nearby Roncari quarry triggered an interest that became a family...brothers had. I remember particularly the numerous Roncari quarry datolites, calcites, and apophyllites that...curate and display it. I n 1982, he returned to Connecticut and set up the consulting firm R E B Associates...the Rocks This datolite specimen from the Roncari quarry, Hartford Coun ty, Connecticut, in the Ronald |  | | Journal (article/letter/editorial) | | Connecticut Gems & Gem Minerals A variety of Connecticut's beautiful gemstones are represented in East...rocks—have produced gem minerals. Some species, such as datolite, are of interest primarily to col lectors; others...sought as gemstones. I n earlier years, several Connecticut lo calities were successfully mined for gem...included the Gillette quarry (elbaite), Roe bling mine (beryl), and Slocum quarry (beryl). Harte (1944)...(1944) states that "Connecticut has produced a very considerable number of gem stones in the semi-precious |  | | Journal (issue) | | Mountain (details on page 5) In this issue … Datolite nodule Quincy Mine, Michigan Source: Brandes (2019)...into a later newsletter. Mineral of the month: Datolite ................. p. 2 November program details.................................. p. 14 Manassas quarry geology, pt. 2 ................. p. 15 Upcoming...... p. 21 Mineral of the Month Datolite by Sue Marcus Datolite, our mineral this month, is not a...collectors like me, it is attainable! Etymology Datolite was named in 1806 by Jens Esmark, a DanishNorwegian |  | | Journal (issue) | | with ALBITE and QUARTZ Himalaya Mine, San Diego County, CA Watercolor by Frederick C. Wilda© REVELATIONS...JONES Cavansite specimen mined from the Wagholi quarry, Pune, India, and displayed as part of the rocks...Lake Owyhee State Park, Malheur County, and also near Goble, Columbia County in 1967. Again, this new mineral...quarries in the Wagholi quarry complex, in Poona, and again in the Lonavala quarry, Maharashtra. What made...vividly in this specimen, mined from the Wagholi quarry, Maharashtra, India. PARENT GÉRY, WIKIMEDIA COMMONS |  | | Book (volume) | | .........................................94 Connecticut ..............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ................................................................................49 Arkansas County Map .......................................... |  | | Catalog/List | | Sodium aluminum silicate CLEA VE LANDITE Connecticut Fairfield County, Branchville White xlline with cymatolite...cymatolite, good study ... New Mexico Taos County, near Dixon Nearly pure white xlline lamellar mass . MOONSTONE...cerium aluminum silicate California Los Angeles County, Pacoima Canyon Large black tabular crystals in...iron silicate ACTINOLITE California San Bernardino County, Wrightwood Green prismatic crystalline mass ....CROSSITE Sodium iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite |  | | Book (volume) | | .........................................80 Connecticut ...............................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | .........................................80 Connecticut ...............................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...silicate minerals from Trumbull Peak, Mariposa County, California......................................area, Fresno County, California (Alfors et al., 1965); Chickencoop Canyon, Tulare County, California (Franke...Yosemite National Park. To reach Trumbull Peak, travel east on State Highway 120 to Berkeley Toulumne camp and...discovered by Anthony Marsh of Incline, Mariposa County, sometime before 1930 (the exact date is not given) |  | | Book (volume) | | Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...Muscovite Mica, Obsidian, Banded Rhyolite, Pectolite, Datolite, i ) 132 77 411 496 Contents x VII Prehnite...Mt. Mica Largest crystal from Mt. Mica Eh Towne Quarry 180 Tourmaline Queen Mountain IgI Tourmaline crystal...Stibiotantalite crystal Apatite crystal . Greenlaw Quarry 272 279 281 282 289 296 297 298 299 300 301 |  | | Catalog/List | | radial groups on limonile ........... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals...lapis AJOITE Copper aluminum silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and...cerium aluminum silicate California Los Angeles County, Pacoirna Canyon Large black tabular crystals in...basic sulfate of aluminum and potassium Utah .Piute County, Tushar Mountains, Marysvale ----i'>ink crystalline...crystal vugs ALTAITE Lead telluride Colorado Saguache County, Klondike mine Cleavage plates in quartz with pyrite |  | | Book | | also in the cavities of certain basaltic lavas. USA - copper mines of Keeweenaw Peninsula, Michigan,...to several cm. width and in calcite ( ! ! !), datolite, apophyllite, analcime, also nodules, hollow 'skulls'...Saxony. CZECHOSLOVAKIA - Jachymov (Joachimstal). USA - crystals ( ! !), branching masses ( ! !) in copper...laid the foundations for the economic wealth of the USA. The Victorian gold rush of 1851-52 trebled the population...contains very fine gold in a strong conglomerate rock. USA - Crystals ( ! ! !), dendritic-wiry masses ( ! !) |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...micromounter. Following her first visit to that famous quarry in the mid-1960’s, she missed few opportunities...Cannon (Cannon Micro probe, Seattle, Washington, USA) provided some preliminary microprobe work. 219 ...situated along the Brandywine Creek road 1.0 km east of the adit at a point 1.0 km northwest of Highway... The Brownley H ill mine is situated about 4 km east o f the market town o f Alston in the historic lead |  | | Catalog/List | | PHOTOGRAPH: _ VANADINITE Apache mine, near Globe, Gila County, Arizona. Sharp hexagonal barrel-shaped crystal...calcium hydroxy-silicate. Ca lifornia Riverside County, Crestmore. White prismatic crystalline on merwinite...QUARTZ AJOITE Copper aluminum silicate. Arizona Pima County, Ajo, New Cornelia mine. Sky-blue micro xls and...and coatings on monzonite .. Arizona Pima County, Ajo, New Cornelia mine. Sky-blue crystals and masses...aluminum silicate. CLEAVELANDITE California San Diego County, Himalaya mine. White crystalled aggregates; some |  | | Journal (issue) | | accretions, collided with the South China plate in the east and with the Paleo-Tethyan plate in the west, resulting...kilometers from the city of Gongcheng, in Gongcheng County. The other, smaller workings are known as the Yangshuo...the mountain ridge, northeast of Yangshuo, in the county of the same name. Both of these mines produce massive...Daoping mine is by Gongcheng, capital of Gongcheng County, which is reached by a good road from Yangshuo...Location of the Daoping and Yangshuo mines. Note the county line passing between the mines. HISTORY Mining |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning...beginning of the 20th century, the Trimouns quarry became well known to collectors around 1990 for the...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...5 cm (Grice and Gault, 1981). CONNECTICUT Litchfield, Litchfield County. Ilmenite masses and crystals |  | | Book (edition) | | at the outstanding shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections...purple crystals, 5" by 4", Iron Station, Lincoln County, North Carolina. CRYSTAL GROWTH 73 light from...Mineral Calcite, aragonite, fluorite, azuri te, datolite, serpentine, asbestos; fossils (Figure 34) Glauberite;...replacing glauberite crystal; Camp Verde, Yavapai County, Arizona; size 2" by 2". Top center: calcite replacing...twins of aragonite, 3" by 2¼"; Las Animas, Bent County, Colorado. Top right: Kaolinite after orthoclase | | | Book (edition) | | the out- standing shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections...purple crystals, 5” by 4”, lron Station, Lincoln County, North Carolina. CRYSTAL GROWTH 73 light from...Mineral Calcite, aragonite, fluorite, azurite, datolite, Pyrite Calcite Clay minerals Hematite Gypsum...the San Pedro Mine, Hiriart Hill, Pala, San Diego County, California, showing the many steps and offsets...“odd” pyroxenes, orthoclase, phlogopite faces—datolite, borax, orthoclase, azurite, mona- zite Platey—umicas |  | | Book (edition) | | the outstanding sho,vs of the annual San Diego County Fair at Del Mar, California. In addition, the collections...purple crystals, 5" by 4", Iron Station, Lincoln County, North Carolina. CRYST AL GROWTH 73 light from...ineral Calcite, aragonite, fluorite, azurite. datolite, serpentine, asbestos: fossils (Figure 34) Glauberite;...replacing glauberite crystal; Camp Verde, Yavapai County, Arizona; size 2" by 2". Top center: calcite replacing...twins of aragonite, 3" by 2¼"; Las Animas, Bent County, Colorado. Top right: Kaolinite after orthoclase |
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Roncari Quarry, East Granby, Hartford County, Connecticut, USA