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POLYBASITE [4 records]

Record 1 2016-02-05

English

Subject field(s)
  • Mineralogy
  • Gold and Silver Mining
  • Economic Geology
DEF

A natural silver sulfantimonide ...

OBS

... color steel gray to iron black; streak black; luster metallic; hardness 2 to 3; specific gravity 6.0 to 6.2 ... An ore of silver.

French

Domaine(s)
  • Minéralogie
  • Mines d'or et d'argent
  • Géologie économique
CONT

Il est difficile de la distinguer [de la stéphanite]. Les cristaux ont un habitus pratiquement hexagonal [...] avec un clivage facile [...] Mais les cristaux bien individualisés sont rares. La teinte en est le noir intense, la poussière également, d = 2,5, très fragile, assez dense [...] la polybasite admet des remplacements limités [...]

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Minas de oro y de plata
  • Geología económica
DEF

Antimoniosulfuro de plata y cobre [...] que cristaliza en el sistema monoclínico [...]

OBS

[La polibasita] se encuentra en forma de tabletas hexagonales, de brillo metálico, muy oscuras, que contienen dos terceras partes de plata.

Save record 1

Record 2 2011-06-03

English

Subject field(s)
  • Mineralogy
DEF

A monoclinic, pseudo-rhombohedral mineral which is the arsenical variety of polybasite.

French

Domaine(s)
  • Minéralogie
DEF

Sulfure naturel d'argent et d'arsenic, minéral monoclinique pseudo-hexagonal, à texture massive ou compacte, de couleur noire et à éclat métallique.

Spanish

Save record 2

Record 3 2002-02-26

English

Subject field(s)
  • Mineralogy
DEF

A mineral..., the antimony end-member corresponding to polybasite, and members of this series with antimony greater than arsenic.

OBS

Dimorphous with polybasite, which has unit-cell 8 times as large.

French

Domaine(s)
  • Minéralogie
DEF

[Minéral du] système cristallin monoclinique [se présentant en] cristaux tabulaires pseudohexagonaux.

OBS

Opaque, noire, d'éclat submétallique, on [...] trouve [l'antimonpearcéite] dans les mines de Sonora et du Guanajuato (Mexique).

Spanish

Save record 3

Record 4 1978-01-23

English

Subject field(s)
  • Economic Geology
OBS

The established mineral sequence, as determined... by Lindgren [is given in the following table]. The minerals within each group are listed in the order of their deposition, the earliest-formed minerals being listed first. It must be emphasized that although the mineral sequence holds in general, there are many exceptions, reversals, and examples of overlapping deposition.... 1. Quartz(continued), chlorite, tourmaline, lime-iron silicates, sericite, albite, adularia, barite, fluorite, siderite, rhodochrosite, ankerite, calcite(continued). 2. Magnetite, specularite(sometimes later, uraninite. 3. Pyrite, arsenopyrite, cobalt and nickel arsenides. 4. Cassiterite(sometimes preceding pyrite), wolframite(scheelite), molybdenite(?). 5. Pyrrhotite, pentlandite, chalcopyrite, stannite, bismuthinite(?) 6. Sphalerite, enargite, tennantite, tetrahedrite, chalcopyrite, bornite, galena, chalcocite, stromeyerite, argentite, ruby silver, polybasite, chalcopyrite, lead-silver sulfantimonides, native silver, native bismuth, electrum, tellurides, native gold. 7. Stibnite, cinnabar.

French

Domaine(s)
  • Géologie économique
OBS

Voici cette succession, telle que W. Lindgren l'a proposée [...] : (1) Quartz, chlorite, tourmaline, silicates de fer et calcium séricite, albite adulaire, barytine, fluorine, sidérose, dialogite, ankérite, calcite (le dépôt de quartz et de calcite continue ou se répète souvent dans les phases suivantes. (2) Magnétite, oligiste (quelquefois un peu plus tard), uraninite. (3) Pyrite, mispickel, arséniures de nickel et de cobalt. (4) Cassitérite (précédant quelquefois la pyrite), wolfram et scheelite, molybdénite. (5) Pyrrhotine, pentlandite, chalcopyrite, stannine, bismuthine. (6) Blende, énargite, tennantite, tétraédrite, chalcopyrite, bornite, galène, chalcosine, stroméyérite, argentite, argents rouges, polybasite, chalcopyrite, sulfo-antimoniures de plomb et d'argent, argent, bismuth, électrum, tellurures, or natif. (7) Stibine, cinabre.

Spanish

Save record 4

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