 | | Report (issue) | | Rankinite Ca3 Si2 O7 ° c 2001 Mineral Data Publishing, ver sion 1.2 Crystal Data: Monoclinic. Point...magnetite. Distribution: From Scawt Hill, near Larne, Co. Antrim, Ireland. Found near Kilchoan, Ardamurchan...Prefecture, Japan. In the Christmas Mountains, Brewster Co., Texas, USA. In the Hatrurim Formation, at Hatrurim...(1942) Tricalcium silicate (rankinite), a new mineral from Scawt Hill, Co. Antrim. Mineral. Mag., 26, 190{196...27, 720 (abs. ref. 1). (3) Black, P.M. (1969) Rankinite and kilchoanite from Tokatoka, New Zealand. Mineral |  | | Report (issue) | | Chemistry: SiO2 Al2 O 3 Fe2 O3 FeO MgO CaO Na2 O H2 O+ CO 2 P2 O5 Total (1) 31.00 1.12 trace 0.64 0.69 64...61 0.82 0.32 99.86 100.13 100.00 (1) Scawt Hill, Ireland; minor spurrite impurity. (2) Do.; by electron...merwinite, perovskite, wollastonite (Scawt Hill, Ireland); rankinite, kilchoanite, scawtite, hydrogrossular...Israel). Distribution: At Scawt Hill and Ballycraigy, near Larne, Co. Antrim, Ireland. In Scotland, from Camas...USA, at Marble Canyon, Culberson Co., Texas. Name: For Larne, Ireland, in the vicinity of which the mineral |  | | Journal (article/letter/editorial) | | and associated minerals from Carneal and Scawt Hill, Co. Antrim P. A. SABINE,* M. T. STYLES,~AND B. R....hightemperature, low-pressure,exomorphic suite of Carneal, Co. Antrim. Although this mineral is very rare in nature...remarkably similar to that from the type locality, Scawt Hill (also analysed here), and that it is an individualmineral...comparative studies on the type minerals from Scawt Hill. It is confirmed that the natural mineral has...bredigite, larnite, spurrite, spinel, Antrim, Northern Ireland. The Carneal assemblage F Ew examples |  | | Journal (article/letter/editorial) | | (1948).The minerals were found in a contact zone in Larne, IreIand and given the names larnite and bredigite...Tertiary dolerite at Scawt Hill, Co. Antrim, Ireland. Tilley named the mineral after Larne, which is near the...(1948)describedanother form (a') of CarSiO+from Scawt Hill which they designatedas bredigite after Bredig...boundariesof associatedcrystals of merwinite, rankinite, and melilite. This relationship suggeststhat... and as myrmekitic intergrowth in merwinite. rankinite. and melilite. Interference colors up to second |  | | Journal (article/letter/editorial) | | Minnesota; Lab. No. R2214). sio: AlzOs Fe:Os FeO Mso CaO CO: HrO+ HrOP:Ou Tio, MnO (1) (2) 1 7. 4 8 3. 0 1...interesting to note that the original larnite from Larne is grey from the presenceof finely divided spinel...R2216) Weight per cent SiOz AlzOs FezOe FeO Mso CaO CO, HzO* HrONuro KrO Tio, PrOu MnO BaO SOs 3 0 .8 9...discovery at scawt Hill, it has been found in a dolerite-chalk contact at Ballycraigy, also in the Larne district...localities being Scawt Hill (Tilley, 1930) and Ballycraigy (McConnell, 1955) in Northern Ireland; near Neihart |  | | Journal (article/letter/editorial) | | disilicate (ranlcinite), a new mineral from Scawt Hill, Co. Antrim. (With Plate V.) By C. E. TILLEY, B.Sc...melilite, and wollastonite at the locality of Scawt Hill, but hitherto the compound itself has not been...of further material among the larnite-rocks of Scawt Hill has now revealed its presence in several specimens...to be obtained, and account of the mineral at Scawt Hill will therefore be prefaced by a note on the slag...v e l a n d , O h i o , 1928, n o . 11.) At Scawt Hill the disilicate is found in association with the |  | | Report (issue) | | 16 ¯ = 101 ± 190 Z=4 X-ray Powder Pattern: Luna Co., New Mexico, USA. (ICDD 13-496). 2.701 (100), 2...tilleyite, hillebrandite, scawtite, kilchoanite, rankinite, larnite, foshagite, wollastonite. Distribution:...at Crestmore, Riverside Co., California; in the Tres Hermanas district, Luna Co., New Mexico; and from...and Meagher Co., Montana. In Ireland, from Scawt Hill, near Larne, and at Carneal, Co. Antrim, and at Carlingford...Carlingford, Co. Louth. From Camas Mµor, Isle of Muck, and at Camphouse, Ardnamurchan, Argyllshire, Scotland |  | | Journal (article/letter/editorial) | | be extended to include the later known mineral rankinite (Tilley, 1948), and tilleyite, a phase which takes...stages are thus to be recognized. Rankinite, since its record at Scawt Hill in 1942, has been found in the...representing the phases in the system CaO-SiO 2 -CO 2 (Text-fig. 1). Wo CaO TEXT-FIG. 1.—A condensed...wollastonite, Ty = tilleyite, Sp = spurrite, Ra = rankinite, La = larnite [Sc = scawtite, A = Ca3SiO6]. The...diagram of Text-fig. 1. With movement away from the CO 2 corner the indicating lines encounter successively |  | | Journal (article/letter/editorial) | | NAMES Rankinite C. E. Trr.r.r;v: Tricalcium disilicate (rankinite), a new mineral from Scawt Hill, Co.... Antrim. Mineral. Mag.,26, 190-196 (1942). Naun: For G. A. Rankin, formerly physical chemist at the Geophysical...OccunnnNcn: Found in two associations at Scawt Hill, Ireland; (a) as rounded or irregular grains in melilite |  | | Journal (article/letter/editorial) | | リアEyre半 島 の 先 カ ン ブ リ ア 紀 片麻 岩 に 関 す る もの で,三921年 Irelandの にComrie地 に 発 表 され た 。 そ の 後 はScot 各 地 の 変成...に 転 じた 。 と く 方 に お け る閃 緑 岩 の 接 触 変 成 作 用, Scawt Hillの ド レ ラ イ トーチ ョ ー ク 接 触 帯 に お け る 変域 Kenidjackの...つ,鋭 意 研 究 と教 育 をお しす す め,同 * 北海道大学理学部地質学鉱物学教室 Hill 年 に 亘 っ て 徹 底 的 な研 の新 鉱 物 を scawtitt(7CaO・6SiO2・...初 代 教 授 に任 命 し たの で あ る。 と きに彼 は37才 個 々の造 く にScawt hydrocalumite(4CaO・Al2O3. あつ め,新 そ Tilleyは ...tilleyite, spurrite, い る ス カ ル ン と は 全 く 異 な り, Scawt Hillの き さか迂 遠 す ぎる。玄 武 岩 を それ に き 水 条 件 下 で,玄 |  | | Journal (article/letter/editorial) | | 79 The space-group and cell-dimensions of rankinite. By Mrs. K. M. MooDY 1 Crystallographic Laboratory...natural mineral a t Scawt Hill, County Antrim, to which Tilleya applied the name rankinite. The present work...t h a t rankinite is formed when afwillite is heated to about 1000 ~ C. 5 Natural rankinite crystals...crystals were extracted from sections of the Scawt Hill rock, supplied b y the D e p a r t m e n t of Mineralogy...using Cu-Ka radiation. I t was confirmed t h a t rankinite is monoclinic, and concordant values of the cell-dimensions |  | Clark, A. M., Smith, D. A., Symes, R. F., Tandy, P. C., Hart, A. D. (1995) Catalogue of Type Mineral Specimens in the Natural History Museum, London - With an appendix listing mineral species and varieties originally described from the British Isles. Natural History Museum, London. | Book | | (Cotype) BM 1979,00135 Green River Fonnation, Uintah Co., Utah, USA A. Pabst, P.A. Estep, E.J. Dwornik, R...Apachite (Cotype) BM 1980, 00532 Christmas Mine, Gila Co., Arizona, USA F.P. Cesbron & S.A. Williams (1980)...BM 86511 Borax Consolidated mines, San Bernardino Co., California, U.S.A. W.B. Giles (1903) Min. Mag....Bannisterite (Cotype) BM 1967,00321 Franklin, Sussex Co., New Jersey, USA M.L. Smith & C. Frondel (1968)...(Cotype) BM 1912,00615 Hom Silver mine, Frisco, Beaver Co., Utah, USA B.S. Butler & W.T. Schaller (1911) J | | | Journal (article/letter/editorial) | | contains bultfonteinite, scawtite and schorlomite, rankinite, kilchoanite, fukalite, 7T -wollastonite and oyelite...the amount to amount in Table on the of 1. CO, in calcite CO2. The basis of an formula...found other (Mur not difficulty intimate in Ireland (McCon the mine of 1965) Mihara, through ...704gr/cm3. the The in gehlenite Hill wet ideal the Scawt a the the refractive 4 gives The...Xray study of scawtite from Ballycraigy, Larne, N. Ireland. Amer. Mineral., 40, 510-514. McIver, E. J |  | | Journal (article/letter/editorial) | | alike. This pattern was identified as that of rankinite, Ca3Si207, by comparison with patterns obtained...obtained from the natural mineral from Scawt Hill, Co. Antrim, 2 and from synthetic material of composition...2SiO~. Spacings also agreed with those given for rankinite in the Amer. Soc. Testing Materials index. The...Ca3(SiO3OH)2.2H20 l~176176176 Ca3Si20~§ 3H20. (2) The rankinite remained unchanged when allowed to stand with...the dehydration process and to the formation of rankinite respectively. The decomposition products of afwillite |  | | Journal (article/letter/editorial) | | Pergamon Preen Ltd. Printed inNorthern Ireland CaO-SiO,-CO,-H,O. II-!l!he petrogenetic model P. J...suoatsaive dearbonetion re8otiona in the eyetern CaO-SiO~-CO~ (involving the formation of wolla&anite, apurrite...s aurf8ce. Then, calcite and wollaatonite can be co-precipitated from 8 liquid down to temperaturea below...gives off enough Ha0 during crystallization to flush CO, gas from the porea of 8 eilioeouelimestone in contact...phase relationships in parts of the system CaO-SiO,-CO,-H,O were measured experimentally at 1 kilobar pressure |  | | Journal (article/letter/editorial) | | Laue c-ray photographs gave for rankinite from Scawt Hill, Co. Antrim: a:10.55, b:8.88, c:7.85 A, B 120 |  | Katona, I., Pascal, M.-L., Fonteilles, M., Verkaeren, J. (2003) THE MELILITE (Gh50) SKARNS OF ORAVITA, BANAT, ROMANIA: TRANSITION TO GEHLENITE (Gh85) AND TO VESUVIANITE. The Canadian Mineralogist, 41 (5) 1255-1270 doi:10.2113/gscanmin.41.5.1255 | Journal (article/letter/editorial) | | larnite), such as Scawt Hill (Tilley 1929, Tilley & Harwood 1931) and Carneal, Ireland (Sabine 1975, Sabine...One such case is that of dolerite contacts at Scawt Hill, where a melilite also occurs, with a different...seems reasonable to ask whether the gehlenite at Scawt Hill could be metasomatically derived from such melilite...melilite-bearing area is comparatively narrow (~15 cm at Cornet Hill and ~ 1 m in the Upper Cerboaia Valley), and apparently...silicates of the skarn. Pyrrhotite is known at Cornet Hill in the same situation, but is comparatively scanty |  | | Journal (article/letter/editorial) | | of the limestone. This produced assemblages of rankinite, kilchoanite, larnite, spurrite, grossular, and...calcium silicates and recorded the occurrence of rankinite and kilchoanite from Golden Gully, I km north...and consist of almost monomineralic patches of rankinite, kilchoanite, larnite, and spurrite with ubiquitous...Larnite is stabilized with respect to spurrite and rankinite at low f c o r (Xco~ of fluid phase A S S I..._~_-"-~-~o,,,TE,E' -~,~'~ ,~,,~.-. . . . . -. -_ _ co~---,~,~, ~,,~,~ /Hp s~o FIG. i. Schematic representation |  | | Journal (article/letter/editorial) | | zone of Scawt Hil-1, Co. Antrisl. Mag. 22, 77-86, 1930 Scawtite, a ne$rnineral from Scawt H11L, Co. Antrim...Elles. 435 MEMORIAI.S 1931 contact of Scawt. Hil1, Co. The dolerite-chalk Antrin. The productlon...406-42L. a new mineral fron Scawt Hill, Portlandit.e, MLneraL. Mag. 23, 4L9-42O, co. Antrin. L934 nodules Progressive...Progressive metasomatism in the flint of the Scawt Hill contact zone, Minez,al. Mag. 23, 513-518, with...Hydrocalurnite (4CaO.A12O3.L2H2O),a nerr Co. Antrin' mlneral from Scawt Hill, Minez.al. Mag. 23, 607-6L5, with |  | | Journal (article/letter/editorial) | | from northern Coahuila, Mexico By A. K. TEMPLE and E. WM. HEI~ICH E. I. du Pont de Nemours & Co., Wilmington...consists of a massive, coarse-grained, spurrite-rankinite-periclase rock, which has a sharp contact with...s, was discovered in the Encantada district of northern Coahuila in 1958 during reconnaissance examination...including such classical localities as Scawt Hill, Co. Antrim (e.g., Tilley, 1930), and. Crestmore, California.../ f ~'?:"-~/" "\ ~'T'~ Ro ..... , FIG. 1. Northern Coahuila, showing location of the Encantada district |  | | Journal (article/letter/editorial) | | high-temperature form of Ca2Si04 (bredigite) in the Scawt Hill contact-zone and as a constiluent of slags. (With...begun of a number of larnite assemblages of the Scawt Hill contact-zone. I t had already become clear from...regarded as monoclinic in character. In some of the Scawt Hill assemblages rare isolated grains of a pseudo-hexagonal...mineral. There was reason to believe that the rare Scawt Hill mineral and the mineral of the slag were probably...accordingly a more detailed examination of the suite of Scawt Hill rocks was made to ascertain if more of the material |  | | Journal (article/letter/editorial) | | from Co. Sligo, Ireland R. N A W A Z Dept. of Geology, Ulster Museum, Belfast BT9 5AB, N. Ireland s u...metamorphosed limestone at Killala Bay, near Inishcrone, Co. Sligo. It is a secondary mineral and occurs in cavities...Inishcrone, along the eastern shore of Killala Bay, Co. Sligo. The limestone is traversed by n u m e r o...reminiscent of the dolerite-chalk contact of Scawt Hill, Co. A n t r i m . A general account of the geology...Inishcrone area is given in the Geological Survey of Ireland Memoirs (Symes a n d Baily, ~879) a n d in recent |  | | Journal (article/letter/editorial) | | dolerite and limestone at Scawt Hill, An289 290 ARTHAR F. BUDDINGTON trim, Ireland, and at Camas Mor, Muck...amazing.Besideshis discovery of 5 new minerals of Scawt Hill and one new mineral at Broadford he extended...belongs between Skermanite and spurrite, and rankinite between spurrite and merwinite as the temperature |  | Pascal, M.-L., Fonteilles, M., Verkaeren, J., Piret, R., Marincea, S. (2001) THE MELILITE-BEARING HIGH-TEMPERATURE SKARNS OF THE APUSENI MOUNTAINS, CARPATHIANS, ROMANIA. The Canadian Mineralogist, 39 (5) 1405-1434 doi:10.2113/gscanmin.39.5.1405 | Journal (article/letter/editorial) | | ABSTRACT The melilite-bearing skarns of Cornet Hill (CH) and Upper Cerboaia Valley (UCV), in the Apuseni...Romania. SOMMAIRE Les skarns à mélilite de Cornet Hill (CH) et de la haute vallée de la Cerboaia (UCV)...metamorphism of siliceous limestone [e.g., Carlingford, Ireland: Nockolds (1947), Camas Mor, Scotland: Tilley (1948...(1959), Wiechmann (1995), Scawt Hill, Ireland: Tilley (1929), Carneal, Ireland: Sabine (1975), Isle of...described here: (1) a very small one on top of Cornet Hill (CH), where the contact outcrops over twenty meters |  | | Journal (article/letter/editorial) | | equilibrium with anhydrous compounds such as rankinite, Iarnite or bredigite. A composition diagram of...sn(c)'(o) Co!SiOr c.3s(l), xrLltgRltrortg ox{c"srHr} TO CoO o cls H2 I I ' oI f I I lv',-.J 'o- co (oH)2...phase(CgSoH)is difficult to distinguish optically from rankinite, having approximately the same index of refrac-...pCa:SiO4are consistent with earlier data (Roy, 1956-). Rankinite crystallized hydrothermally formed small very...with np:l'644. The x-ray diffraction patterns of rankinite formed in the present study, both hydrothermally |
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