Published December 22, 1997
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Table 2. Specimen descriptions for silver halides from the Broken Hill mam lode and the Broken Hill Consols Mine. a in Compositions of silver halides from the Broken Hill district, New South Wales
Authors/Creators
- 1. Department of Chemistry, University College Cardiff, PO Box 912, Cardiff CFl 3 TB, United Kingdom
- 2. Department of Mineralogy, British Museum (Natural History), Cromwell Road, London SW 7 5 BD, United Kingdom
- 3. correspondence-Faculty of Science and Technology, University of Western Sydney Nepean, PO Box 10, Kingswood NSW 2747, Australia
Description
Table 2. Specimen descriptions for silver halides from the Broken Hill mam lode and the Broken Hill Consols Mine.a
| D18759 | LABEL: No.682 Iodembolite changing into native silver, Proprietary, Broken Hill. |
|---|---|
| LABEL: Iodembolite and native As (sic), Broken Hill. | |
| COMMENTS: On the first label, the word "bromyrite" is crossed out and replaced by the word "iodembolite." | |
| Sample consists of massive green halide altering to native silver, accompanied by some soft orange clay. | |
| D35986 | LABEL: Embolite on matrix, Broken Hill, NSW. |
| Comment: Ferruginous, manganiferous gossan cementing quartz chips and fragments coated by purple-brown | |
| halide, then by later greenish halide in worm-like masses. Both halides were analysed but could not be | |
| distinguished. | |
| DI0481 | LABEL: Cerargyrite on kaolin, Broken Hill, NSW. |
| COMMENTS: Green halide masses and veinlets in massIve kaolinite. | |
| D34811 | LABEL: Embolite, Broken Hill, NSW. |
| COMMENTS: Yellowish halide with minor iron oxyhydroxides with later bright yellow dusting of second | |
| generation halide. The latter is iodargyrite, by analysis. | |
| D23904 | LABEL: Iodembolite, Broken Hill, NSW. |
| COMMENTS: Waxy, yellow-green halide globules to 2 mm on porous, hematite gossan. | |
| D24260 | LABEL: Iodargyrite, Broken Hill, NSW. |
| COMMENTS: Waxy, yellow-green, massive halide. | |
| D25918 | LABEL: Iodembolite with cerussite, Proprietary Mine, Broken Hill, NSW. |
| COMMENTS: Halides altered by light exposure to black masses on massive cerussite associated with orange | |
| iron oxyhydroxides. Cerussite inclusions were detected in the prepared samples. | |
| D28196 | LABEL: Iodembolite, Proprietary Mine, Broken Hill, NSW. |
| COMMENTS: Well-crystallised yellow-green halides associated with minor iron oxyhydroxides; crystals of | |
| bromian chlorargyrites to 2 mm. | |
| D29303 | LABEL: Iodembolite in kaolin, Block 11, Proprietary Mine, Broken Hill, NSW. |
| COMMENTS: Massive white kaolinite matrix bearing small red garnet crystals is impregnated with green | |
| halide masses and veinlets; this material was analysed. An open vugh in the specimen contained large (to 5 | |
| mm) halide crystals, some of which were coated with a second generation of bright yellow powdery halide. | |
| D29383 | LABEL: Iodembolite, Broken Hill, NSW. |
| COMMENTS: Stalactitic coronadite with later purple halide crystals to 4 mm. X-ray map showed bright patch | |
| of AgI and another of a Pb-rich phase. | |
| D20648 | LABEL: Iodembolite with smithsonite, Broken Hill, NSW. |
| COMMENTS: Minor coronadite with clays and iron oxides accompany the bulk of the specimen which | |
| consists of an intergrowth of "teardrop" and crystallised smithsonite, cerussite (minor) and yellow-green | |
| halide; the smithsonite was last to crystallise. | |
| D25951 | LABEL: Iodembolite with iodyrite, Proprietary Mine, Broken Hill, NSW. |
| COMMENTS: Bright yellow crystalline masses of halide coated by later greenish-yellow to brown colloform | |
| halide. Analyses do not distinguish between the different coloured phases; the specimen is dusted by later | |
| iron oxyhydroxides. | |
| D26980 | LABEL: Iodembolite, Broken Hill, NSW. |
| Comment: Specimen consists of aggregates of cerussite crystals and some massive cerussite cemented by | |
| later yellow-green halide in crystals to 3 mm. X-ray map shows cerussite inclusions in halide. | |
| D28194 | LABEL: Iodembolite, Proprietary Mine, Broken Hill, NSW. |
| COMMENTS: Ferruginous gossan coated with purple-grey material and waxy, green halide masses. | |
| D30448 | LABEL: Iodembolite on matrix, Broken Hill, NSW. |
| COMMENTS: Matrix is rotten, oxidised garnet sandstone containing quartz fragments and siliceous iron-rich | |
| gossan bearing yellow crystals of halide on more open, vughy areas and yellow-green masses in cavities; | |
| some filiform masses to I cm coat the specimen. | |
| D31586 | LABEL: Iodembolite, Broken Hill, NSW. |
| COMMENTS: Slug of halide varying in colour from green to yellow and then to purple-brown. | |
| D29370 | LABEL: Embolite, Broken Hill, NSW. |
| COMMENTS: Matrix is a fine-grained, cerussite-rich, banded material after garnet sandstone coated and | |
| impregnated by greenish brown, arborescent masses of halide. | |
| D30466 | LABEL: Embolite on kaolin, Broken Hill, NSW. |
| COMMENTS: Specimen consists of masses of waxy, green halide crystals to 7 mm impregnating a mass of | |
| kaolinite bearing minor Mn oxides. | |
| D30481 | LABEL: Embolite in kaolin, Broken Hill, NSW. |
| COMMENTS: Dense, Grey, banded halide associated with mmor Fe-stained clay. | |
| D30360 | LABEL: Embolite, Broken Hill, NSW. |
| COMMENTS: Specimen consists of a massive and reticulated crystalline cerussite nodule bearing yellow-green | |
| halide crystals in cavities; minor limonite coatings invest parts of the specimen. | |
| D31665 | LABEL: Embolite with cerussite and malachite, Broken Hill, NSW. |
| COMMENTS: Massive cerussite is coated by later purple-grey halide crystals to 2 mm; malachite crystal | |
| plates are scattered across both phases. | |
| D36399 | LABEL: Embolite, Broken Hill, NSW. |
| COMMENTS: Matrix of coronadite gossan is coated with yellow-green halide crystals and separate, bright | |
| yellow halide masses; both halide phases were analysed separately. | |
| D35996 | LABEL: Embolite in kaolin, Broken Hill, NSW. |
| COMMENTS: Veinlets of green halide invest massive kaolinite. | |
| D33111 | LABEL: Broken Hill, NSW. |
| COMMENTS: Unidentified green copper mineral coats mass of green halides bearing later native copper; base of specimen bears a bright, apple-green species and minor iron oxyhydroxides. | |
| D32138 | LABEL: Embolitedendroids, Proprietary Block 14 Mine, Broken hill, NSW (Presented Block 14 Ltd). |
| COMMENTS: Green dendroidal sheet of halide dusted with powdery blue copper mineral (unidentified). | |
| D29066 | LABEL: Embolite with iodyrite in kaolin, Broken Hill, NSW. |
| COMMENTS: Massive, yellow-green halide. | |
| D34495 | LABEL: Embolite, colloform arborescent masses, Broken Hill, NSW. |
| COMMENTS: Yellow to greenish brown colloform masses of halide associated with minor clays. | |
| D46338 | LABEL: Bromyrite, Broken Hill, NSW. |
| COMMENTS: Aggregates of yellow to bright yellow halide crystals to 3 mm on orange ferruginous gossan. | |
| D26168 | LABEL: Cerargyrite in kaolin with malachite, Broken Hill, NSW. |
| COMMENTS: Green halide masses in kaolinite with red garnets; later dusting of malachite. | |
| D28184 | LABEL: Cerargyrite, Consols Mine, Broken Hill, NSW. |
| COMMENTS: Slug of purple-grey halide with minor quartz inclusions; some halide is crystalline. | |
| D28185 | LABEL: Cerargyrite with bromyrite and silver-chloro-antimoniat (sic) in limonite, Consols Mine, Broken Hill, |
| NSW. | |
| COMMENTS: Matrix is a ferruginous gossan bearing some compact hematite masses one side of the specimen | |
| bears bright yellow halide crystals; the other (analysed) was coated with yellowish green halide crystals to | |
| 1.5 mm. |
a In order of discussion in text; in the Table, "Label:" refers to the specimen description on the Australian Museum label (verbatim).
Notes
Published as part of Gillard, Robert D., Hart, Alan D., Humphreys, D. Alun, Symes, R. F. & Williams, P. A., 1997, Compositions of silver halides from the Broken Hill district, New South Wales, pp. 224-225 in Records of the Australian Museum 49 (3) on page 224, DOI: 10.3853/j.0067-1975.49.1997.1268, http://zenodo.org/record/4655141
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Related works
- Is part of
- Journal article: 10.3853/j.0067-1975.49.1997.1268 (DOI)
- Journal article: urn:lsid:plazi.org:pub:FFB67777FFE0B832FFDBFFEBFFAB2236 (LSID)
- Journal article: http://zenodo.org/record/4655141 (URL)
- Journal article: http://publication.plazi.org/id/FFB67777FFE0B832FFDBFFEBFFAB2236 (URL)