Below is a gallery of crystallized bournonite
for sale from John Betts - Fine Minerals in New York City, NY.
BOURNONITE FROM CHINA
Fifteen to twenty years ago bournonite specimens from China were readily
available, yet quite expensive. The Yaogangxian Mine was producing fine specimens
then, some worth up to $1 million. Bournonite is an uncommon (there are only
138 photos of bournonite from China listed on Mindat.org) sulfosalt mineral,
with the formula: PbCuSbS3. Bournonite crystals are commonly complexly twinned,
resulting in complex clusters of parallel twinned crystals, with parallel
crystal faces, and if cyclic-twinned will exhibit the classic "cog wheel"
habit.
Included in this gallery is bournonite for sale from the famous find many
years ago at the Yaoganxian Mine in China. Bournonite is a trithioantimoniate
of lead and copper and is categorized as a sulfosalt mineral. Bournonite
is most famous for cyclic twinning resulting in the cogwheel habit. Below
are bournonite specimens acquired last year from Georg Gebhard, the famous
mineral collector and authority on Tsumeb. Bournonite from China first appeared
on the mineral market in 1989 with erroneous locality information, probably
caused by Chinese dealers trying to conceal the true source of the bournonite
crystals. After about 4 years it was finally revealed that they originated
from the Yaoganxian Mine. Gebhard and other German collectors obtained these
in the late 1990s when it was possible for collectors to lease the mine for
specimen collecting. Gebhard used these for trading with mineral museums
and mineral collectors. The size and quality of these bournonite crystals
is exemplary and few are available from other sources these days. To purchase
mineral specimens, go to the
Online order form.
Sizes: (t) = Thumbnail, (m) = Miniature, (c) = Cabinet, (lc) = Large
Cabinet
#75253, Bournonite (doubly terminated
crystals), Yaogangxian Mine, China (t) $100 |
#75249, Bournonite, Yaogangxian Mine,
China (m) $375 |
#75251, Bournonite (doubly terminated
crystals), Yaogangxian Mine, China (m) $250 |
#75231, Bournonite (doubly terminated twinned
crystals), Yaogangxian Mine, China (m) $325 |
#75235, Bournonite, Quartz, Pyrite,
Yaogangxian Mine, China (m) $375 |
#73758, Bournonite (cyclic twinned
crystals), Yaogangxian Mine, China (t) $150 |
#72808, Bournonite and Sphalerite with Boulangerite
and Pyrite, Baia Mare, Romania (c) $125 |
#73402, Bournonite, Quartz, Chalcopyrite and
Jamesonite-Boulangerite, Yaogangxian Mine, China (m) $150 |
#75044, Bournonite (tabular doubly-terminated
crystal), Yaogangxian Mine, China (t) $165 |
#75046, Bournonite (floater crystal),
Yaogangxian Mine, China (t) $150 |
#75365, Bournonite (doubly terminated),
Yaogangxian Mine, China (t) $85 |
#75517, Bournonite (twinned crystals) with
Quartz, Yaogangxian Mine, China (t) $95 |
#75363, Bournonite, Yaogangxian Mine,
China (t) $65 |
#75519, Bournonite, Yaogangxian Mine,
China (t) $115 |
#75516, Bournonite (twinned crystals),
Yaogangxian Mine, China (t) $135 |
#75364, Bournonite (cyclic twinned
crystals), Yaogangxian Mine, China (t) $135 |
#75518, Bournonite (twinned crystals),
Yaogangxian Mine, China (m) $175 |
#75522, Bournonite (twinned crystals),
Yaogangxian Mine, China (t) $150 |
#75520, Bournonite (twinned crystals),
Yaogangxian Mine, China (t) $165 |
#75524, Bournonite (twinned crystals),
Yaogangxian Mine, China (t) $165 |
#75497, Bournonite (complexly twinned crystals)
on Quartz, Yaogangxian Mine, China (m) $275 |
#75525, Bournonite (twinned crystals),
Yaogangxian Mine, China (t) $375 |
#75527, Bournonite (twinned crystals),
Yaogangxian Mine, China (m) $225 |
#75521, Bournonite (twinned crystals),
Yaogangxian Mine, China (t) $195 |
#75523, Bournonite (twinned crystals),
Yaogangxian Mine, China (t) $225 |
|
#75044, Bournonite (tabular doubly-terminated
crystal), Yaogangxian Mine, China (t) $165 |
|
#75249, Bournonite, Yaogangxian Mine,
China (m) $375 |
|
|
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