 | | Journal (article/letter/editorial) | | is concentrated along and adjacent to aplite-pegmatite contacts, as well as along thin discordant mica-rich...with an Fe:Ni ratio of 13:1, troilite and minor apatite. Thus, it can be classified as an olivine-bronzite...future generations. BERYLLIUM MINERALIZATION OF PEGMATITE POCKETS IN THE WAUSAU COMPLEX, MARATHON COUNTY...abundant muscovite, were observed in only one pegmatite. Beryllium mineralization in these miarolitic...pegmatites occurred during the late stages of pegmatite formation. Primary phenakite appears to have formed |  | | Journal (issue) | | Bearing Hydrothermal Breccias in the Stedman Mining District, Southeastern California, Ariz. Geological Soc...feldspar, ilmenite, enstatite, and cristobalite. Apatite Group Ca5(PO4)3(OH,F,Cl) – Large, vitreous, transparent...terminations. The associated minerals (titanite and apatite) indicate a calcium rich environment, which would...Probe, Vol. IX, No. 9, pages 5-6. 7 Titanite Apatite Zircon Figure 1 – All from Ford (1932) Magnesiohornblende...Crystals up to 0.4 mm have been observed. 12 Madagascar Orange-brown crystals up to 3mm, associated with |  | | Show/Event (guide) | | Francis 2:45 B e r y l l i u m mineralization of pegmatite pockets in the Wausau Complex, Marathon County...Lupulescu 4:30 M i n e r a l s of the Sakavalana pegmatite, near Ambatovita, Central MadagascarbyWm. B. Simmons...PM12:00-2:00 Extended Lunch and Shopping Break! 2:00-3:00 APATITE, TRULYANINTERDISCIPLINARY MINERAL • Dr. John Rakovan...questions using really cool species like fluorite and apatite—no little brown fly-specks here! John is a frequent...aesthetic and scientific pleasures of the mineral, apatite. 3:00 C o f f e e Break. 3:15-4:15 GEOLOGY AN |  | | Journal (issue) | | pg. 269 284 Pezzottaite from Ambatovita, Madagascar: A New Gem Mineral Brendan M. Laurs, William...Gem-quality corundum from Colombia • Emeralds from Madagascar with strong blue/green dichroism • Peruvian blue...WINTER 2003 283 PEZZOTTAITE FROM AMBATOVITA, MADAGASCAR: A NEW GEM MINERAL Brendan M. Laurs, William...November 2002 in a granitic pegmatite near Ambatovita in central Madagascar. Only a few dozen kilograms...gem shows, cesium-rich “beryl” from Ambatovita, Madagascar, created excitement among gem collectors and |  | | Book | | 314–321, 3rd Floor, Plot 3, Splendor Forum, Jasola District Centre, New Delhi – 110025, India 103 Penang Road...Scheelite CaWO4 I41/a MacPherson et al. (1988) Apatite Ca5(PO4)3(F,OH,Cl) P63/m Arupite Beusite Brianite...Anthophyllite Antigorite Antitaenite (not approved) Apatite Aragonite Armalcolite Arupite Asimowite Aspidolite...a beryl (Be3Al2(SiO3)6) from the Malakialina pegmatite, Madagascar; the crystal is 18 m long and 3.5...(CaF2), antarcticite (CaCl26(H2O)), lime (CaO), apatite (Ca5(PO4)3(F,Cl,OH)), scheelite (CaWO4), portlandite |
|
