Bournonite Specimens From China

 

Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China provides some of the finest bornonites in the world  Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China provides some of the finest bornonites in the world  Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China provides some of the finest bornonites in the world  Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China provides some of the finest bornonites in the world

                                                                                                 All of the specimens seen above are Bournonite

 

The Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., has been producing specimens of the rare mineral bournonite from numerous years.   This uncommon mineral is always a tough one to find in good crystals and seldom appears on the market as matrix specimen.  It is certainly a connoisseur's mineral.  Recently the Yaogangxian Mine in China coughed out a few fine examples, many of which appear below.  I have never had, or seen elsewhere, such a good selection of these fine crystals.  Many of these are in interesting combinations with other crystals and even some down right unusual minerals like jamesonite, rhodochrosite, apatite, etc.  If you are thinking of investing in one of these important specimens this could be the time to do so.  I know you might occasionally find cheaper ones elsewhere but I do not believe you will find ones of this quality to be common place at the prices offered here.

 

 

OKN-415

OKN-415    Bournonite and Quartz     Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Province, China.  A small sawn block with a beautifully formed bournonite crystal amongst the transparent quartz.  It is 1 cm long and the piece measures 3.6 x 2.2 x 2.1 cm on edges.  $50

 

 

 

 

 

OKN-380

Back

OKN-380     Bournonite, Hubeite, Quartz, Chalcopyrite    Fengiashan Mine, Daye County, Hubei Prov., China.  An interesting and aesthetic mix.  6.2 x 4.5 x 4.3 cm dome with crystals pointing out in numerous directions.  Chipping to chalcopyrites and small chip on one quartz.  Nice overall.  $40

 

 

 

 

 

 

OKI-719

OKI-719   Bournonite    Yaogangxian Mine, Biai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  This TN sized specimen measures 2.8 x 2.2 x 2.2 cm with crystals to almost 2 cm each.  It is a jumble of crystals without damage but there are several crystal contacts.  Striated crystals of good luster sprout out all over this specimen.  A nice cluster with decent aesthetics.  Very reasonable price.  65$

 

 

 

 

 

OKI-721

OKI-721   Bournonite    Yaogangxian Mine, Biai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  Seen here is a fine single crystal which is deeply striated and of nice luster.  The specimen is a floater which has two chips: one on the base which it stands on and a smaller one on a lower edge of the piece.  Not very noticeable at all.  The piece measures 2.6 x 1.8 x 1.6 cm overall.  A fine displayable TN which looks bigger in person.  Sits up nicely for display.  95$

 

 

 

 

 

OKI-720

OKI-720   Bournonite    Yaogangxian Mine, Biai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  Here is a fine cluster of double terminated crystals to 2.3 cm each.  They are striated crystals which are locked together in a jumble which branches out in all directions.  There is one termination that is chipped, otherwise a clean piece.  The terminations are mostly fibrous.  An excellent quality piece.  150$

 

 

 

 

 

OKI-722

OKI-722   Bournonite    Yaogangxian Mine, Biai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  This specimen is a beautiful piece composed of a pair of blocky, double terminated crystals which interlock forming an appealing TN specimen measuring 2.2 x 2 x 1.3 cm.  The crystals measure 2.2 and 1.8 cm each.  The prism faces range from mirror smooth to somewhat fibrous on their surfaces.  The terminations are similar.  The piece stands and displays several different ways.  Nice luster and ZERO damage.  It is unusual to find a floater this clean from this noteworthy locality.  Impressive!  295$

 

 

 

 

 

 

OKI-723

OKI-723   Bournonite and Chalcopyrite    Yaogangxian Mine, Biai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  This floater has no damage and is certainly exceptional for this fact….but there is so much more to offer her.  The piece is composed of double terminated crystals to 2 cm each which are high in luster and nicely striated.  3 x 2 x 1.5 cm overall.  The terminations are clean and the other unusual thing about this piece is the sulfide accessory.  This is a 1 cm crystal of darker color and metallic luster which appears to be chalcopyrite.  I won’t swear to this however since about every sulfide known to man seems to come from this prolific mine.  In any case, it is an aesthetic piece of note at a very reasonable price for what it is…295$

 

 

 

 

 

OKI-718

OKI-718   Bournonite    Yaogangxian Mine, Biai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  Another damage free floater which is outstanding in form, luster and overall aesthetics.  This piece measures 2.4 x 1.7 x 1.2 cm and has crystals to 2.4 cm.  All the crystals are double terminated and complete.  An outstanding example of this uncommon material.  180$

 

 

 

 

 

OKI-088

OKI-088    Chalcopyrite and Jamesonite coating Bournonite and Quartz    Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  A very cool specimen which if for nothing other than the bournonite would be exceptional.  In addition this long double terminated bournonite is coated thickly with jamesonite hairs on all sides.  Brassy chalcos on this and one big quartz crystal which is broken off.  Back has one large crystal contact.  The specimen measures and outstanding 7 x 3.5 x 2.6 cm.  Top shelf piece.  950$

 

 

 

 

 

 

OKE-283

OKE-283    Bournonite and Muscovite    Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   Beautiful floater crystal of bournonite with coatings of muscovite.  This is a high quality, aesthetic floater with some crystal regrowth on the backside.  It is always rare to find these specimens free of damage so this alone makes this piece desirable.  Deeply striated, highest luster, and nice complexities makes this a fine display specimen.  3.1 x 2.2 x 2 cm.  They don’t get much more attractive than this.  350$

 

 

 

 

 

OKE-285...top

Bottom

OKE-285    Bournonite     Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   Beautiful floater crystal of bournonite with coatings of myscovite.  This is a high quality, aesthetic floater with total crystal regrowth on the base.  There are several small dings here and there but this is still a fine display specimen of exceptional size.  Deeply striated, highest luster, and nice complexities makes this a fine specimen.  6 x 4.8 x 2.3 cm thick.  They don’t get much more attractive than this.  250$

 

 

 

 

 

 

OKE-286

OKE-286    Bournonite, Quartz and Pyrite    Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   Big, highly complex matrix bournonite.  This is a high quality piece with what is really one very large, highly dissected crystal of high luster.  Most parts of the crystal are double terminated.  There is no real damage but there are two small contacts neat the edges on the backside of the piece.  Bottom is a mix of contacts and crystalline surfaces.  6 x 5.9 x 4 cm.  They don’t get much more attractive than this.  350$

 

 

 

 

 

 

OKE-267 front view

Back

Top termination

OKE-267    Bournonite    Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   4.4 x 3.4 x 2.2 cm high luster crystal with good form and termination.  Front views nicely with only a couple minor tick makes.  Back side is very nice but has two more noticeable dings.  Great price is a reflection of my having a good a good inventory of these specimens at this time.  180$

 

 

 

 

 

 

OKE-268 front view

Top termination

Bottom termination

OKE-268    Bournonite, Calcite and Quartz       RESERVED      Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   2.9 x 2.7 x 2 cm high luster, double terminated crystal with superior complex form and outstanding terminations.  Front views and sides are excellent with small brown clusters of bladed calcites.  Only damage is a large contact area on back which is not viewable except directly from back.  Piece sits upright on basil termination or on its side or on the contact area as base.  However you choose to display it is is an exceptional specimen of this uncommon mineral.  Fits in a thumbnail case.  It displays as a damage fee, competition level TN specimen.  Very low price for a piece of this quality.    300$

 

 

 

 

 

 

OKE-212

OKE-212     Jamesonite and Chalcopyrite on Bournonite with Quartz      Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  An attractive and unusual combination pieces from the now famous Yaogangxian Mine.  The bournonite is totally coated by jamesonite needles and chalcos of nice form.  4.2 x 4.2 x 3.8 cm.  The quartz is badly damaged and there are numerous crystal contacts but this still is an interesting and unusual specimen.  250$

 

 

 

 

 

 

OKE-208

OKE-208    Bournonite on Quartz    Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   A large quartz point which has two double terminated bournonite crystals which are partially embedded in the quartz.  The bournites are of exceptional luster and form.  The largest has a 2 millimeter ding which I found when using magnification.  Nice matrix bournonite specimen.   400$

 

 

 

 

 

 

OKE-200

OKE-200    Bournonite   Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   A very high luster thumbnail sized crystal, 2.5 x 1.6 x 1.7 cm  Two chips on sides but front view and top views are nice.  290$

 

 

 

 

 

 

OKE-136

Backside showing crystal contact

OKE-136    Bournonite    Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   This sweet crystal is unusual in how elongated it is which is quite uncommon for bournonite.  It measures 4.5 cm tall by 2 cm wide.  It is highly lustrous and beautiffuly striated (sixling twinned).  There is one crystal contact on the backside which is visible in the photo.  There is no damage to this perfectly terminated example.  A highly desirable specimen.  385$

 

 

 

 

 

 

OKE-172

OKE-172    Bournonite, Quartz and Unknown   Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   Beautiful floater crystal of bournonite with one small quartz crystal and a tan platy unknown mineral which looks very much like mica (it is not…hardness is too great).  The bournonite has a chip off one corner which should not show…make this the base or back.  Deeply striated, highest luster, and nice complexities makes this a fine display specimen.  3.4 x 2.1 x 2 cm.  300$

 

 

 

 

 

 

OKE-176

Termination

OKE-176    Bournonite   Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   A monster piece with a single termination and complex, sixling twinned form.  Needs some TLC.  Cleaning of the oxidized areas is in order.  Numerous crystal contacts on back of the piece make the backside inappropriate for display.  One old (probably in-situe) chip to the front termination.   Good sides. The bournonite has a chip off one corner which should not show…make this the base or back.  Good but not top luster.  6 x 5 x 3.6 cm.  520$

 

 

 

 

 

 

OKE-178

OKE-178    Bournonite   Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   A beautiful piece which is double terminated and has the typical complex, sixling twinned form.  It is highly lustrous and enjoyable to view.  Will just fit into a thumbnail box…2.5 x 2.4 x 2.3.  Perfect upper termination and one chip off of lower on (Facing to back).  An exceptional example for the price.  225$

 

 

 

 

 

OKE-186

Jamesonite close up

OKE-186    Jamesonite on Bournonite, Arsenopyrite     Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  This is one of several very unusual Yaogangxian Mine mineral combinations to be found at Tucson this year.  I have seen two of these with one other dealer and no others.  If you’d like to pick one up and not pay several thousands of dollars, here it is.  This piece is a double terminated, elongated crystal of bournonite measuring 6.2 x 3.5 x 3.2 cm and which is totally coated by jamesonite needles.  On this are a number of nicely formed, metallic arsenopyrites.  There is one crystal contact on what I would refer to as the specimen’s backside and and the cleaved surface of a fluorite cube on which the specimen should sit.  It is a fine and certainly unusual specimen for a fraction of that might be expected for such an unusual specimen…..500$

 

 

 

 

 

OKE-192

Back and top

Jamesonite close up

OKE-192    Bournonite Arsenopyrite and Jamesonite    Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.   A beautiful piece sticks out from its massive bournonite matrix and has the typical complex, sixling twinned form.  It is highly lustrous and enjoyable to view.  It measures 3.5 x 2.5 x 3.2 cm.  Totally flawless with zero damage.  The arsenos and jamesonites are at the base of the bournonite and do not distract from the specimen.  One of the nicest small specimens of this material that I have seen in many years.  An exceptional example for the price.  350$

 

 

 

 

 

 

OKE-045

Back

OKE-045    Jamesonite on Bournonite, Arsenopyrite     Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  This is one of several very unusual Yaogangxian Mine mineral combinations to be found at Tucson this year.  I have seen two of these with one other dealer and no others.  If you’d like to pick one up and not pay several thousands of dollars, here it is.  This piece is a double terminated, elongated crystal of bournonite measuring 3.7 x 2.4 x 2.5 cm and which is totally coated by jamesonite needles.  On this are a number of nicely formed, metallic arsenopyrites.  There is one crystal contact on what I would refer to as the specimen’s backside and no damage.  It is a fine and certainly unusual specimen for a fraction of that might be expected for such an unusual specimen…..200$

 

 

 

 

 

 

OKE-049

OKE-049    Jamesonite on Bournonite    Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  This is one of several very unusual Yaogangxian Mine mineral combinations to be found at Tucson this year.  I have seen two of these with one other dealer and no others.  If you’d like to pick one up and not pay several thousands of dollars, here it is.  This piece is a stocky double terminated 3.3 x 5 x 3.5 cm crystal of bournonite which has its top termination coated by jamesonite needles.  On this there appears to be several stannite ball but I can be sure that this is what they are.  There is a tiny ding on one back corner which will go unnoticed without magnification.  It is a fine and certainly unusual specimen for a no brainer price…..200$

 

 

 

 

 

 

OKE-043

OKE-053    Bournonite     Yaogangxian Mine, Bai Shi Du, Chen Xhou, Yizhang County, Hunan Prov., China.  Here is an exceptionally clean bournonite with the highest of lusters.  A single chip on the lower side of one edge which does not distract from the high quality of this exceptional double terminated crystal.  3.2 x 2 x 2 cm overall.  A fine display piece.  325$

 

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