 | | Report (issue) | | )§= 7:00 (SiO4 )3 (OH) 2 : (2) Bald Knob, North Carolina, USA; by electron microprobe, H2 O calculated...12 [(OH)1:45 F 0:53 ] §=1:98 : Mineral Group: Humite group. Occurrence: A late-stage skarn mineral...metamorphosed to the amphibolite facies (Bald Knob, North Carolina, USA). Association: Katoptrite, magnetite, manganostibite...jacobsite, kellyite, alabandite (Bald Knob, North Carolina, USA). Distribution: In the Brattfors mine, Nordmark...VÄarmland, Sweden. In the USA, from Bald Knob, near Sparta, Alleghany Co., North Carolina, and Franklin, Sussex |  | | Journal (article/letter/editorial) | | pages 951-959,1963 Mn'humites from Bald Knob, North Carolina: mineralogy and phaseequilibriat G. A. WrNren...deposit of North Carolina. These mineralsare the manganeseanaloguesof chondrodite, humite and clinohumiterespectively...Bald Knob manganese depositin AlleghanyCounty, North Carolina has been shown by Simmons er a/. (1981)to have...the occurrenceof three manganesemembers of the humite group (alleghanyite, manganhumiteand sonolite,...respectiveanalogues of the magnesiumhumites chondrodite. humite and clinohumite) as well as tephroite, the manganese |  | | Report (issue) | | 287(7) X-ray Powder Pattern: Franklin, New Jersey, USA. 2.869 (10), 1.743 (10), 2.651 (7), 2.608 (7), 2...Group: Occurrence: Dimorphous with jerrygibbsite. Humite group. In metamorphosed manganese-rich deposits...chlorite, calcite, tephroite (Franklin, New Jersey, USA). Distribution: In the Sono mine, Kyoto Prefecture;...Prefecture; and a number of other places in Japan. In the USA, at Franklin and Sterling Hill, Ogdensburg, Sussex...and at Bald Knob, near Sparta, Alleghany Co., North Carolina. From Bonneval-sur-Arc, Savoie, France. In |  | | Report (issue) | | Z=2 X-ray Powder Pattern: Franklin, New Jersey, USA. 1.799 (10), 2.860 (8), 2.598 (6), 3.127 (5), 2.725...[100.54] (3) 3.66 100.00 (1) Bald Knob, North Carolina, USA. (2) Do.; by electron microprobe; H2 O calculated...with ribbeite; forms a series with chondrodite. Humite group. Occurrence: Hydrothermally deposited, in...in a manganese-bearing vein (Bald Knob, North Carolina, USA); in veins crosscutting franklinite ore near...Jersey, USA). Association: Spessartine, rhodonite, galaxite (Bald Knob, North Carolina, USA); kolicite |  | | Journal (article/letter/editorial) | | absentin leucophoeniciteandjerrygibbsite. Introduction humite speciesoccur there; the Mg-humites occur in the...Mn-humitesfrom Bald Knob. North carol_ ubiquitous franklinite. Third, the Mn-humite minerals are ina, require...LEUCOPHOENICITES Table l. The humite and leucophoenicitegroups l,r2*,si Humite grorJp fh-humitegroup Leucophoenicite...5i2 chondrodi te al 1eghanyi te unknown 7t3 humite mnganhumite I eucophoenici te 9t4 cl inohumite...Bald Knob manganeseprospect,Alleghany County, North Carolina, by Ross and Kerr (1932)who noted that it was |  | | Journal (article/letter/editorial) | | Bald Knob Manganese Deposit ALLEGHANY COUNTY, NORTH CAROLINA W I L L I A M B . SIMMONS, JR. Department...was written, by request, for the March-April North Carolina issue. However, due to space limitations publication...N O B M A N G A N E S E D E P O S I T is one of North Carolina's most unusual and interesting deposits...This inconspicuous little prospect in western North Carolina has been the source of three new minerals and...of the town of Sparta in Alleghany County, North Carolina, on the southeastern flank of a small hill |  | Kearns, Lance E., Kite, Lucille E., Leavens, Peter B., Nelen, Joseph A. (1980) Fluorine distribution in the hydrous silicate minerals of the Franklin Marble, Orange County, New York. American Mineralogist, 65 (5-6) 557-562 | Journal (article/letter/editorial) | | earlier investigators for other members of the humite group. The inverse relationship is not evident...Department of Geoscience, North Carolina State University, Raleigh, North Carolina 27607. 0003-004x/80/0s06-0557$02...fluorine replacement of hydroxyl is found in the humite species,with norbergite containing a slightly higher...an Xo of 0.61 and 0.68 respectively. Analyses of humite minerals from the Canadian Grenville marbles (Bourne...content, with Xo of 0.34. However, analyses of humite minerals from other localities (Deer et al.. 1962a |  | | Journal (issue) | | (South Africa); California, Pennsylvania and Vermont (USA). a tC/) Cl) ::::, a u w c... w Cl) aluminium...(Italy); Zermatt (Switzerland); Maine and New Jersey (USA). Group: Silicates Crystal system: Tetragonal Hardness:...Binnental (Switzerland); New Hampshire and New Jersey (USA). Sometimes, however, the iron may be partially...nes t danaite comes from Franconia, New Hampshire (USA). these take the fo rm of impurities and thus do...(Italy); Arendal (Norway); California and Montana (USA). FACT FILE AUGITE Group: Silicates Crystal system: |  | Dunn, Pete J., Peacor, Donald R., Simmons, William B., Essene, Eric J. (1984) Jerrygibbsite, a new polymorph of (Mn9SiO4)4(OH)2 from Franklin, New Jersey, with new data on leucophoenicite. American Mineralogist, 69 (5-6) 546-552 | Journal (article/letter/editorial) | | ideally Mnq(SiO+)+(OH)2, is polymorphous with the Mn-humite sonolite, and a probable member of the leucophoenicitegroup...stablilize leucophoenicite-groupmineralsrelative to humite-groupminerals at Franklin, New Jersey. Introduction...to those of leucophoenicite and memUe-rsof tne humite group, were unique and did not match any known...material was a new manganesemember of either the humite or leucophoenicite groups. The distinctions between...Crystallographicdata and formulae for the leucophoeniciteand humite groups Speci es Ideal formula Spacegroup a |  | | Journal (article/letter/editorial) | | October 2014 PER NYSTEN Manganese analogues of the humite minerals (Table 1) are known from several Langban-type...coexists with sonolite. An unknown phase of the Mn-humite group from Nordmark was reported by Nysten (1987)...by Dunn (1985). He also suggested that Mg in Mn-humite minerals give rise to ordered intermediate phases...manganhumite may Table 1. The humite and leucophoenicite groups. M*+:Si Humite Mn-humite Leucophoenicite 3:1...3:1 5:2 7:3 9:4 norbergite chondrodite humite clinohumite unknown in nature alleghanyite manganhumite |  | | Journal (article/letter/editorial) | | Alleghanyits, Mn5[(OHh!(Si04hJ, von Bald Knob, North Carolina, wurde mit Hilfe dreidimensionaler Diffraktometer-Daten...alleghanyite, Mn5[(OH)21(Si04hJ,from Bald Knob, North Carolina, has been determined using three-dimensional...manganese-bearing vein at Bald Knob, Alleghany County, North Carolina, U.S.A., in association with manganiferous...especially in the Mn members of the olivine and humite groups. It 'was also thought that, since the isotypism...plays in the structures of the Mg members of the humite group. As can be seen from Table 3, the unit cell |  | | Journal (article/letter/editorial) | | Alleghanyits, Mn5[(OHh!(Si04hJ, von Bald Knob, North Carolina, wurde mit Hilfe dreidimensionaler Diffraktometer-Daten...alleghanyite, Mn5[(OH)21(Si04hJ,from Bald Knob, North Carolina, has been determined using three-dimensional...manganese-bearing vein at Bald Knob, Alleghany County, North Carolina, U.S.A., in association with manganiferous...especially in the Mn members of the olivine and humite groups. It 'was also thought that, since the isotypism...plays in the structures of the Mg members of the humite group. As can be seen from Table 3, the unit cell |  | | Journal (article/letter/editorial) | | amounts of iron and calcium are typical of MnThe humite group, strictly, is the group of four homo- rich...Picker r'.q.cs-l four-circle chondrodite. n : 3 for humite and n : 4 for clinohumite. diffractometerwith its...1928;Gibbs et recommendationsof Jones ny County, North Carolinaby Ross and Kerr (1932).Its al.. 19701Yamamoto...structure, like those of the olivine and other humite structures, result from distortions of the close-packed...a review of the crystal chemistry of the entire humite group see Ribbe tSi041 tetrahedron (1982).This |  | | Journal (article/letter/editorial) | | sample include Mn-Ca carbonate (Cal55Rds45), Mn-humite minerals, alabandite, and manganoan sphalerite...symplectic (“fingerprint”) intergrowths with Mn-humite minerals. Some marbles are spotted with “blooms”...example, at the amphibolite-facies Bald Knob (North Carolina) deposit, the jacglx miscibility gap extends...interface between strongly silicaundersaturated Mn-humite-bearing marbles and quartz-bearing garnet amphibolites...front has developed. In this sample, a spineland Mn-humite-bearing marble is being replaced by a spessart |  | | Journal (article/letter/editorial) | | (kinoshitalite) has been reported only once from North America. The deposit is thought to have evolved...concentration of manganosite ever recovered in North America. In hand sample, the manganosite is largely...carbonate [possibly kutnohorite, CaMn(C03)2], manganese humite minerals, alabandite, and manganese-rich sphalerite...second (the other being Franklin, New Jersey) in North America. Manganosite and its alteration products...trioctahedral mica, has not been reported from North America, but a sulfur-free and iron- and chlorine-rich |  | | Journal (article/letter/editorial) | | been recognized together with the Mn analogue cf humite. Some of these minerals have been confused with...pseudo-ortho-rhombic,which in his setting is related to the humite structure-cellwhen the c-axisis halved. The so-called...chemicalcompositionbut with an X-ray pattern similar to that of humite was observed.This mineral may be a polytype of...LLEGH A N YI TE AN D LEU COPHOEN I CIT E t397 North Carolina, by Ross and Kerr (1932).It was shown to be...manganese minerals of a vein near Bald Knob, North Carolina. Amer. Mi,neral. 17, l-18. Surrn, W. Caurnnr |  | Peacor, Donald R., Dunn, Pete J., Su, Shu-Chun, Innes, John (1987) Ribbeite, a polymorph of alleghanyite and member of the leucophoenicite group from the Kombat mine, Namibia. American Mineralogist, 72 (1-2) 213-216 | Journal (article/letter/editorial) | | espeminerals, and one was found to be related to the humite cially in the grouping of intense reflectionswith...appropriate that ribbeite is closelyrelated to the humite group, to which he has made obtained by least-squaresrefinement...is depositedin the nyite (al), a member of the humite group, by the relations e, : a,t, b, : b", c, :...to the monoclinic phase;where the sequenceof a humite is (3, 2'), the sequencein the equivalent leucophoenicitegroup...orthorhombic polymorph of either the leucophoeniciteor humite group could be derived by unit-cell twinning of |  | Clark, C. M., Hawthorne, F. C., Ottolini, L. (2011) Fluor-dravite, NaMg3Al6Si6O18(BO3)3(OH)3F, a new mineral species of the tourmaline group from the Crabtree emerald mine, Mitchell County, North Carolina: description and crystal structure. The Canadian Mineralogist, 49 (1) 57-62 doi:10.3749/canmin.49.1.57 | Journal (article/letter/editorial) | | THE CRABTREE EMERALD MINE, MITCHELL COUNTY, NORTH CAROLINA: DESCRIPTION AND CRYSTAL STRUCTURE Christine...the Crabtree emerald mine, Mitchell County, North Carolina, U.S.A. It occurs as isolated anhedral grains...crystal-structure refinement, Crabtree emerald mine, North Carolina, U.S.A. Sommaire La fluor-dravite, NaMg3A...the Crabtree emerald mine, Mitchell County, North Carolina, U.S.A. (Schabilion 2009), at the boundary...site. fluor-dravite, crabtree emerald mine, north carolina of B at the T site decreases the distance |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 74, pages 1300-1306, 1989 Hydrogenin humite-groupminerals:Structure-energy calculations RrcHano...Geology, Appalachian State University, Boone, North Carolina 28608, U.S.A. Cn,q.RLnsW. BunNn.qlr Department...Energy calculationsgive realistic H positions for humite minerals. (2) Primary Hl-type energy minima were...paper we addressthe problem ofdisordering of H in humite minerals. The important local details involve the...positions in other minerals, mainly phyllosilicates. Humite minerals are important becauseof their structural |  | | Journal (article/letter/editorial) | | journalCode=tigr20 Download by: [University North Carolina - Chapel Hill] Date: 15 October 2015, At:...OF CENTRAL ALDAN Downloaded by [University North Carolina - Chapel Hill] at 12:41 15 October 2015 A...AND Ν. Ν. PERTSEV Downloaded by [University North Carolina - Chapel Hill] at 12:41 15 October 2015 Types...orthosilicates (forster ite or minerals of the humite group). The total magnesium content of the marbles...dolomite + calcite + forsterite + minerals of the humite group + spinel + magnetite. On fresh fracture surfaces |  | | Journal (article/letter/editorial) | | New Jersey sample was probably associated with a humite mineral and the borates sinhalite and fluoborite...The paragenesis of serendibite at Johnsburg, NY, USA: An example of boron enrichment in the granulite...pegmatite at the Foote Mine, Kings Mountain, North Carolina occurs as stubby centimeter-size crystals in...one of a number in the TinSpodumene Belt of North Carolina. The belt is located immediately to the east...several silicate lenses and bands consisting of humite minerals, phlogopite, tourmaline, and the rare |  | | Journal (issue) | | entrance is left of center at top of photograph. The north end of the quarry is at the left. For scale, note...quarry. Photo by Bernard Kozykowski. Figure 2. The north end of the Franklin Quarry, winter, 1986, while...occurrence is as crystals in scapolite, from the north part of the quarry. Azurite Blue masses and stains...effervescence in hydrochloric acid, were collected at the north wall of the quarry in 1984. Calcite The Franklin...with good crystals are found occasionally in the north part of the quarry, with crystals of fluorite or |  | | Catalog/List | | Granite. (Fountain Q{iarry, Fountain, Pitt County, North Garolina, U.S.A) 1x1 i4.80 1x2 i9.60 2x2 r13.oo...50 coppery c0lourcd pieces . (Kewaenaw Peninsula USA) c14 NATIVECOPPER, attractive 1x2 ins t5 in Obsidian...Czcchoslovakia) Thicker 5mm piece t3 FAIRFIELDITE, "North Carolina rich grey u.s.A) b"'tryoidal 1x½ i:4 pa...Niedermendig, Eifel, Ge;rnuny)_ 1x1 i3 _ 1x2 r5.oo C31 HUMITE rich yellow brown masses wi th minor 1x1 i:4.50...long, (brazi~.) pure North Holmquisi te, pure p1.le blue-grey North Carolina U.S.A) t15.00 23 Pyrornorphi |  | | Journal (article/letter/editorial) | | 3 P 3 , 2 P , B. H. B. Quartz from Burke, North Carolina. By G. v. RATH(Zeit. Kryst. ZCIin., 10, 475-487)...chlorite. B. H. B. Vesuvian Humite, Chondrodite from Nyakopparberg, and Humite from Ladugrufvan. By F. C...minerals (with the exception of the Ladup-ufvan humite) showed no trace of alteration to serpentine. The...of Fresenius, except in the case of the Vesuvian humite of type 11, and that from Ladugrufvan, where the...09:45:03. I. Vesuvian humite, type I, or hurnite of Descloiseaux. 11. Vesuvian humite, type 11, or chondrodite |  | | Journal (article/letter/editorial) | | University of Southern California, Los Angeles, CA 90089, USA Received May 15, 1991 / Accepted February 28, 1992...in the Mojave Desert of southeastern California, USA, typically were emplaced at shallow crustal depths...Rare humite (Hu) is also found associated with Clh adjacent to skarns. Replacement of Fo by humite minerals...present in the marble xenolith, only clinohumite, humite, and clinochlore exhibit significant deviations...hydroxyl sites by OH, F, and C1. Chlorite and humite mineral chemistry Chlorites deviate from end-member |
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