Jordanite

Jordanite

Infobox mineral
name = Jordanite
category = ,
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imagesize =
caption =
formula = Pb14(As,Sb)6S23
molweight =
color = Lead-grey
habit =
system = Monoclinic
twinning =
cleavage = Perfect
fracture = Conchoidal
tenacity = Brittle
mohs = 3
luster = Metallic
polish =
refractive =
opticalprop =
birefringence =
dispersion =
pleochroism = Visible
fluorescence=
absorption =
streak = Black
gravity =
density = 6.4
melt =
fusibility =
diagnostic =
solubility =
diaphaneity =
other =
references =

Jordanite is a sulfosalt mineral with chemical formula Pb14(As,Sb)6S23 in the monoclinic crystal system, [http://www.mindat.org/min-2113.html Mindat information page for Jordanite] ] named after the German scientist Dr H. Jordan (1808-1887) who discovered it in 1864.

Lead-grey in colour (frequently displaying an iridescent tarnish), its streak is black and its lustre is metallic. Jordanite has a hardness of 3 on Mohs scale, has a density of approximately 6.4, and a conchoidal fracture.

The type locality is the Legenbach Quarry in the Binn Valley, Wallis, Switzerland.

References


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Look at other dictionaries:

  • jordanite — noun A grey monoclinic sulfosalt mineral with chemical formula Pb(As,Sb)S …   Wiktionary

  • jordanite — jor·dan·ite …   English syllables

  • jordanite — ˈjȯ(r)dənˌīt noun ( s) Etymology: German jordanit, from Dr. Jordan, 19th century German scientist + German it ite : a mineral Pb14As7S2(?) consisting of a lead gray monoclinic lead arsenic sulfide (sp. gr. 6.39) …   Useful english dictionary

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