 | | Catalog/List | | libethenite xls. 70x60x25mm. £12. 5. AZURITE. Tsumeb, Otavi, Namibia. A single dark blue 30xl0x3ram terminated...max. £28. 8. BEUDANTITE ON TENNANTITE. Tsumeb, Otavi, Namibia. Several sharp tetragonal tennantite xls...70x40x30mm. £7. , Solid heavy mass of mine 16. CERULEITE. Wheal Gorland, Gwennap, Cornwall. An 80x60mm...coverage of light blue ceruleite. 90x70x10mm. £60. 17. . CERUSSITE. Tsumeb, Otavi, Namibia, Heavy mass of crudely...2mm. 60x40x20mm. £12. 62. SMITHSONITE. Tsumeb, Otavi, Namibia. Cavities in massive tennantite matrix |  | | Catalog/List | | xls to 25mm. 1 I0xl 0Ox70mm approx. £125. 15) CERULEITE. Wheat Gorland, Gwennap, Cornwall. A quartz gossan...threads and masses of ceruleite. 65x25x20mm. £30. 16)CERUSSITE. Tsumeb, Otavi, Namibia. An approx. 80x60mm...collection. 70x60x20mm. £45. 2l)DIOPTASE. Tsumeb. Otavi, Namibia. Triangular matrix with colourless calcite |  | | Catalog/List | | and attractive pale green Duftite coating (Tsumeb, Namibia) £12 • CASSITERITE very rich piece of mainly...structure Geevor Mine Cornwall 4x2 £15 lx2 £5 --- CERULEITE small blue areas up to-6mm in pale grey rock with...calcite, there are micro crystals at xlO. (Tsumeb, Namibia) 2xl.5 inches £15 NEPTUNITE , black crystal...in an open cavity lxl.5 in 2.5 xl.5 matrix (Tsumeb Namibia) £15 SOGDIANITE pure pale pink mass, about...mass with cavities with micro crystals (Aris, Namibia) l x l inch £2.50 lx2 £4 DIATOMACEAOUS EARTH quite |  | | Report (issue) | | Ceruleite Crystal Data: Triclinic. Point Group: I or 1. As rodlike crystals, to 5 /-Lm, in powdery to... Capricorn Range, Western Australia. From Tsumeb, Namibia. Name: From cerulean, for the sky-blue color |  | | Journal (issue) | | particularly attached to are rich in arsenates: Tsumeb (of course!), Grube Clara, the Caldbecks, and many...:C~mwall's chief copper2 BMS NEWSLE'ITER 61 producing region (Embrey and Symes, 1987). Between 1815 and 1851...attractively on scorodite and pharmacosiderite. Ceruleite is found only at Wheal Gorland. This rare copper-alwninium...those two deposits were simply unsuitable for ceruleite to form. Liroconite also occurs only at Wheal...fractures in gossanous matrix. As I suggested for ceruleite, perhaps the absence of liroconite at Stavoren |  | | Journal (article/letter/editorial) | | Minerals 2009.84:544-550. Kunene District Kaokoveld, Namibia M any collectors choose to specialize in different...well-crystallized malachite, Kaokoveld Plateau region, Namibia. Jeff Starr specimen, Jeff Scovil photo, courtesy...specimen, 12.4 cm high, Kaokoveld Plateau region, Namibia. Adam Shields specimen, Jeff Scovil photo....twinned cerussite crystals, Kaokoveld Plateau region, Namibia. The 11-cm-tall specimen is in the Marshall...Gwennap Parish, Cornwall, where it occurs with ceruleite (Golley and Williams 1995); however, no specimens |  | | Catalog/List | | se touilly inftlhng ea.V1t1es m calcue matri., Tsumeb u now tloodutg &. T�1cb Dloptasc 1S about to become...SMJTHSONJTE (4an :i: 3cm x 3cm) Tswneb Ml11e, Namibia. Africa A petty oiloialW'e 5ptdmc:o mounted on... TAR.-.OWITZITE ON CALCITE (IOan X 7cm X 6cm) Tsumeb .\fine, Nan11b1a, Afnca Loog slender aystals oflJlmowitzite...e.umple ofo Tsumeb lamowitzite. £195 24. DIOPTASE O ' CALCITE (8cm x 5<-m x 5cm) Tsumeb Mine, Nan11b1a...I 27. CALCITE (9an X 9ma X 9an) Tsumcb Min-. Namibia. Africa A v«y intauting calcite from this now |  | Plumhoff, Alexandra M., Plášil, Jakub, Dachs, Edgar, Benisek, Artur, Sejkora, Jiří, Števko, Martin, Rumsey, Mike S., Majzlan, Juraj, Plumhoff, Alexandra M., Plášil, Jakub, Dachs, Edgar, Benisek, Artur, Sejkora, Jiří, Števko, Martin, Rumsey, Mike S., Majzlan, Juraj (2020) Thermodynamic properties, crystal structure and phase relations of pushcharovskite [Cu(AsO3OH)(H2O) ⋅ 0.5H2O], geminite [Cu(AsO3OH)(H2O)] and liroconite [Cu2Al(AsO4)(OH)4 ⋅ 4H2O]. European Journal of Mineralogy, 32 (3) 285-304 doi:10.5194/ejm-32-285-2020 | Journal (article/letter/editorial) | | arsenates (clinoclase, chalcophyllite, chenevixite, ceruleite, cornwallite, liroconite, olivenite), copper carbonates...Liroconite growing on greenish scorodite. (b) Ceruleite (spherical aggregates) with liroconite crystals...liroconite growing on older crusts of ceruleite or being overgrown by ceruleite (Fig. 5b). Azurite is observed...is log Q2 = −3 pH − log a(Al3+ ). In the acidic region, where Al3+ is the predominant Al(III) species...assemblages dioptase + azurite + malachite in Tsumeb (Namibia). He deduced that the environment conducive |  | | Journal (issue) | | mystery 380 Gem Notes Red beryl matrix cabochons| Ceruleite from Chile|Yellow danburite from Namalulu, Tanzania|Emerald... Madagascar| Colour-change scorodite from Tsumeb, Namibia|Stichtite| Zoned type IaB/IIa diamond| Synthetic...http://dx.doi. org/10.5741/gems.39.4.302. Ceruleite from Chile Ceruleite is a blue hydrous copper aluminium...originally described in 1900 from Chile, gem-quality ceruleite was first documented from Bolivia by Schmetzer...mentioned by Schmetzer et al. (1983). Like turquoise, ceruleite is typically polished as cabochons. At the 2016 |  | | Catalog/List | | R.Barstow. Barstow green stock label. SW.G15 Ceruleite - Wheal Gorland, St. Day. R.Barstow. 1975. [SW...[SW 731 428]. Barstow green stock label. SW.G16 Ceruleite - Wheal Gorland, St. Day, Cornwall. [SW 731 428]...Cerussite - Tsumeb, Namibia. Barstow green stock label. F127 Azurite and malachite. Tsumeb, S.W.Africa...and calcite - Tsumeb, Otavi, S.W.Africa. Barstow green stock label. F70 Cerussite - Tsumeb, S.W.Africa...Minerals label. F132 Dioptase - [Tsumeb, Namibia]. F73 Mottramite - Tsumeb, Otavi, S.W.Africa. S.Weller label |  | | Journal (volume) | | deposits at Långban in Sweden, the Kombat Mine in Namibia, and the Mammoth St. Anthony Mine in Tiger, Arizona...manganese-hosted Pb deposits found throughout the region. This has proved to be an unexpectedly complex...particular theme is one that repeats throughout the region. Complicating the matter still further is the fragmentary...to those found elsewhere throughout the Mendip region. These deposits are of the Mississippi Valley type...marked disconformity visible throughout much of the region, the disconformity representing a gap in the strata |  | | Journal (issue) | | area extending from Bristol to Wells. In this region the conglomerates and marls rest unconformably...January, 1978.] 86 J.Gemm., 1978, XVI, 2 CERULEITE—A NEW GEMSTONE By K. SCHMETZER, H. BANK, W. BERDESINSKI...close to turquoise and which were offered as ceruleite. Ceruleite is not mentioned at all in some mineralogical...Cu-Al-arsenate ceruleite. That the material in question indeed is the mineral ceruleite, could only be...Cu-Al-arsenate containing H 2 0 and called it ceruleite (ceruleite) because of its skyblue colour. The mineral |  | | Catalog/List | | jitacamite crystals. 3ix2J2-". £7« 5. AZURITE. Tsumeb, Otavi, S.W. Africa. Deep blue sharp elongated...slate matrix with minor Pyrite. 3xli". £2. 15. CERULEITE. Wheal Gorland, St. Day, Cornwall. Light sky blue...£2; Specimen B - 2£xl7*-”. £2. 16. CERUSSITE. Tsumeb, Otavi, S.W. Africa. Fine sharp bright transparent...size thickly intergrown. 2xli". £333- DIOPTaSE. Tsumeb, Otavi, S.W. Africa. Small bright emerald green...Calcite matrix. 14x1". £5- 89. SMITHSONITE. Tsumeb, Otavi, S.W. Africa. Bright semi transparent creamy |  | | Catalog/List | | 00 019 ARAGONITE variety TARNOWITZITE xx - Tsumeb, Namibia. White terminated intergrown xls to 13xl0 on...B. xls to 35xl2xl2;overall size 5lx36x31 068 CERULEITE - Emma Louise Gold Mine, Huanaco, Taltal, Chile...the matrix. 35x28x24 172 SMITHSONITE xx - Tsumeb, Namibia. Large white translucent terminated xls to |  | | Journal (issue) | | to do so he turned to the famous mine at Tsumeb in Namibia as his first example of a location where globally...2006, some six new minerals were discovered on Tsumeb specimens in the last decade, and the most recently...found it as small pale blue spheres with white ceruleite, Cu 2Al 7(AsO 4)4(OH)13·11.5H2O on iron stained...which the type locality is the Kombat mine in Namibia. This research has the potential to lead to an...'gallery trips would be worthwhile. These included Tsumeb to follow up some predictive mineralogy, North |  | | Journal (issue) | | Nickel E. en Gartrell B.J., 1993), en in de Tsumeb-mijn in Namibia. De naam verwijst naar de kleur, donkerblauw...Bell for a photo of ceruleite. Literatuur Braithwaite R.Z.W. (1987), "Ceruleite; infrared spectroscopy...(1979), "Gemmological study of the so-called 'ceruleite'", Journal of the Gemmological Society of Japan |  | | Catalog/List | | FELDSPAR (San l 5cm l 4cm) Bromberg molUllains. Namibia A loYdy, rare canbiAalloo specimen wilh bright...14. CUPROADAMITE (5cm x 4cm x 3cm) Tsumeb }.fine, Tsumcb, Namibia Lustrous bright emerald green crystals...(See the Picture oa page 3) £60 39. OLIVENITE ON CERULEITE (6cm x 5cm x 3cm) \Wtea/ Gor/and, S1. Day, Cornwall...of this quality is very rar-e from the LeadhiUs region £365 63. SIDERITE (7cm x 5cm x 5cm) Wheat Drea |  | | Journal (article/letter/editorial) | | minerals, rock climbing, Whitewater in Adirondack region, written in popular style. Paperback, 205 p., 122...A n d mineral specimens from India, Australia, Tsumeb, Morocco, Europe, California, and other localities...baricite, biphosphammite, bustamite, calaverite, ceruleite, clinobisvanite, coloradoite, eardleyite, eglestonite |  | | Catalog/List | | U.S.A) f4 crust on crystal. (Moses C197 CERULEITE light blue crust matrix (Wheal Maid incline Cl98...piece. 2xl.5 (Dean Quarry, sorne f6.50 micros Namibia) in on lx2ins and f5.50 on ins. ins fibrous...Italy) f7.50 SMITHSONITE grey lxlins. (Tsumeb hexagonal Namibia) as C.S.F.R) '68 70 to brown f6.00 |  | | Catalog/List | | Minerals page 3 : ALAMOSITE and SCHULTENITE. CERULEITE, CHALCOPHYLLITE, Minerals with msual elenents...(Levant Mine Cornwall) 1 x 55 £3 1x1 £4 to £6 563 CERULEITE Cu Al AsO/4 light blue crystalline areas on matrix...crystals,scattered in white Calcite (Spitzkoppe, Namibia) ’4 x '4 £1.50 1x1 £3.50 1x2 £7 2x2 £15 060 GREENOCKITE...pure colourless thin plate like clear plastic.(Tsumeb Namibia) 1cm £4 1x2cm £10 214 LEPIDOLITE Mica Group...PETALITE Li Al Si/4 0/10 pure white massive. (Karibib Namibia) 1x2 70p 2x2 £1.50 2x4 £3 324 PETALITE Li Al Si/4 |  | | Catalog/List | | £7.00. Specimen B: 2t-xlt", £2.5Op 20. CALCITE. Tsumeb, Otavi, S.W. Africa. Choice transparent sharp rhombic...crystalline celestite matrix. 3x3x2-t" ,£8.00 26. CERULEITE. Wheal Gorland, St. Day, Cornwall. Rich light...in feldspnr. 1-f.x1'x1-!-", £4.SOp 34. DIOPTASE. Tsumeb, Otavi, S.W. Africa. Specimen A: Bright emerald...cleaved crystal. 4~x2x1", £12.00 93. WILLEMITE. Tsumeb, Otavi, SoW. Africa. Choice sharp transparent pale |  | | Journal (article/letter/editorial) | | minerals, rock climbing, Whitewater in Adirondack region, written in popular style. Paperback, 205 p., 122...A n d mineral specimens from India, Australia, Tsumeb, Morocco, Europe, California, and other localities...SHOPS biphosphammite, bustamite, calaverite, ceruleite, clinobisvanite, coloradoite, eardleyite, eglestonite |  | | Book (volume) | | cm1 is called the fingerprint region. Usually IR spectrum in this region contains very complicated series...overlapping bands. The importance of the fingerprint region is that each mineral species produces a different...500 to 800 cm1 can be considered as “fingerprint region” sensitive to the composition and the topological...see Fig. 1.9), but generally IR spectrum in this region is characteristic of all these minerals. In IR...Zn-poor olivenite from Tsumeb, Namibia (1); Zn-enriched olivenite from Tsumeb, Namibia (2); Zn-enriched olivenite |  | | Catalog/List | | 11 length) ;'cross". ANGLESITE. Tsumcorp Mine,Tsumeb 1 0tavi,S.W.Africa. Choice,gemmy,flattened complex...yellow over salmon- 35. BEUDANTITE. Tsumcorp Mine,Tsumeb,Otavi,S.W.Africa. Choice rare specimen: Gcmmy golden-brown... 42. CALCITE (var Icoland Spa). Tsumcorp Mine,Tsumeb,Otavi,S.W.Africa. Lustrous water-clear intergrowth...pure vugt3y crystalline mass.6x5x3¾",~15 00. ~ CERULEITE. Wh.Unity,St.Day,CornwalL Light-blue fibrous crystallised...59. CERUSSITE/CUPRIAN-SMITHSONITE.Tsumcorp Mine,Tsumeb,Otavi,S.W.Afrioa. Most attractive and·unusual specimen |  | | Catalog/List | | t ing of pyrite s . 2x.l! ". £4 . 00 CALCITE . Tsumeb, Otavi , S."I. Africa. Deep sherry col oured interwoven...Specimen B-I.nth Iodyrite onl y . l~ x! " .£1. 75 p CERULEITE . Wheal Gorland, St . Day, Cernwa ll. Sky blue...a little quartz . Hx~ ". £3. 00 NATIVE COPPER . Tsumeb, Otavi, S . H. Af'ri ca. Areas o f na ti ve copper...2~xlaxl~ ". £l1.00 tlJlLi(CHITE on Ch3lcoci t e. Tsumeb, OtflVi, S . VI. hfrica. Sh'l1l0w lZElvi ties lined... 107. 108 . 109 . 11 0. 111. 112 . MIMETITE. Tsumeb, Ot'lvi,. S H. il':r · ca. 'D.' - c l "nga\;ed |
|
