 | Bosi, Ferdinando, Skogby, Henrik, Ciriotti, Marco E., Gadas, Petr, NovĂĄk, Milan, CempĂrek, Jan, VĹĄianskĂ˝, Dalibor, Filip, Jan (2017) Lucchesiite, CaFe2+3Al6(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup. Mineralogical Magazine, 81 (1) 1-14 doi:10.1180/minmag.2016.080.067 | Journal (article/letter/editorial) | | Magazine, February 2017, Vol. 81(1), pp. 1â14 Lucchesiite, CaFe2+ 3 Al6(Si6O18)(BO3)3(OH)3O, a new mineral...2015; Associate Editor: Ian Graham] ABSTR ACT Lucchesiite, CaFe2+ 3 Al6(Si6O18)(BO3)3(OH)3O, is a new mineral...tourmaline supergroup. It occurs in the Ratnapura District, Sri Lanka (6°35â˛N, 80°35â˛E), most probably from...streak. Lucchesiite has a Mohs hardness of âź7 and a calculated density of 3.209 g/cm3 (Sri Lanka) to 3...(Czech Republic). In plane-polarized light, lucchesiite is pleochroic (O = very dark brown and E = light |  | | Report (issue) | | CaFe 2+3 Al6 (Si6 O18 )(BO3 )3 (OH)3 O Lucchesiite Crystal Data: Hexagonal. Point Group: 3m. Crystals...Tenacity: Brittle. Hardness = ~ 7 D(calc.) = 3.209 (Sri Lanka), 3.243 (Czech Republic) Optical Properties: Transparent...0018(7) c = 7.2149(3) Z=3 X-ray Powder Pattern: Sri Lanka. 2.587 (100), 2.970 (99), 3.490 (72), 2.049 (69)...04 2.62 1.32 0.06 0.10 [2.27] 0.04 98.96 (1) Sri Lanka; average of 10 electron microprobe analyses supplemented...Republic). In gem-bearing alluvial gravels (âillamâ) (Sri Lanka). Association: Ca-rich schorl, plagioclase (An |  | | Journal (article/letter/editorial) | | castellaroite, chongite, gajardoite, jeffbenite, lucchesiite, and tvrdĂ˝ite. Batievaite-(Y)* L.M. Lyalina...hureaulite group from the Torrecillas mine, Iquique Province, Chile. Mineralogical Magazine, 80(7), 1255â1263...Torrecillas mine, located on Torrecillas Hill, Iquique Province, TarapacĂĄ Region, Chile. Chongite was discovered...torrecillasite from the Torrecillas mine, Iquique Province, Chile. Mineralogical Magazine, 80(7), 1265â1272...new mineral from the Torrecillas mine, Iquique Province, Chile (approximately 20°58â˛13âłS, 70°8â˛17âłW), |  | | Journal (article/letter/editorial) | | IMA No. 2015-043 Lucchesiite CaFe2+ 3 Al6(Si6O18)(BO3)3(OH)3O Ratnapura, Sri Lanka (6°35â˛N, 80°35â˛E)...CempĂrek, J., VĹĄianskĂ˝, D. and Filip, J. (2015) Lucchesiite, IMA 2015-043. CNMNC Newsletter No. 27, October...Grootfonteinite Pb3O(CO3)2 Kombat mine, Grootfontein District, Otjozondjupa Region, Namibia Oleg I. Siidra*...and Giveaway-Simplot mine, White Canyon mining district, San Juan Co., Utah, USA (37°34â˛37.10âłN, 110°17â˛52...Hotazel, Kalahari Manganese Field, North Cape Province, South Africa Africa (27°12â˛S, 22°58â˛E) Taras |  | | Journal (article/letter/editorial) | | formula of lucchesiite, ideally Ca(Fe2+ 3 )(Al6 )(Si6 O18 )(BO3 )3 (OH)3 O, from Ratnapura (Sri Lanka), one...T = +4 and W = â2) can promptly lead to the lucchesiite end-member formula. 3.3. Site-Total-Charge Approach...NovĂĄk, M.; CempĂrek, J.; VĹĄianskĂ˝, D.; Filip, J. Lucchesiite, CaFe2+ 3 Al6 (Si6 O18 )(BO3 )3 (OH)3 O, a new |  | | Journal (issue) | | Zircon Inclusions in Sapphires from Ratnapura and Balangoda (Sri Lanka) and Implications for Geographic...more about the age and origin of sapphires from two Sri Lankan alluvial deposits. Next, a team headed by...the 2017 news of sapphires from northern Tigray Province, prompted a 2018 GIA field expedition. Led by...R2+ R2+3 R3+6 R4+6O18 (BO3)3 S1â3 S2â Lucchesiite Ca Fe2+3 Al6 Si6O18 (BO3)3 (OH)3 (O) ...minerals of the Southern California pegmatite province. Rocks & Minerals, Vol. 86, No. 1, pp. 14â35, |  | | Journal (issue) | | Nevada (1988, no. 4). Stibnites of the Stayton District, Hollister, California (1989, no. 6) (with J....specimens. The other locality is in Ouarzazate Province, Morocco, where a pegmatite has recently produced...largest pluton exposed in the Tuscan Magmatic Province (Dini et al., 2002), and it forms the western...California and some districts in the Nuristan province of Afghanistan. Their age is estimated at 6.9...et roses." (The granite we trample on in. the district of Campo charms the eyes for the variety of its |  | | Book | | Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights into Their Origin...Cenozoic Alkaline Basalts of the Ratanakiri Volcanic Province (Cambodia), Southeast AsiaâTrace Element Geochemistry...pegmatite situated in the Borborema Pegmatitic Province (BPP) from Rio Grande do Norte in Northeast Brazil...alluvial sapphires from the Orosmayo region (Jujuy Province, NW Argentina) and importantly shows that there...zircon xenocrysts from alkali basalts in Ratanakiri Province (Cambodia) suggest that their genesis involved |
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Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka