August 2018 Update, Page 3

 

 

OKP-812

OKP-812      Malachite     Bristol Mine, Lincoln County, Nevada.  Ex. Dr. Steve Chamberlain collection.  Previously Bentley and Lapham.  This old specimen shows green malachite over bluish green.  It measures 7 x 5.1 x 4.1 cm.  The back has minor coatings of azurite.  A nice representative piece from an old locality.  $50

 

 

 

 

 

OKP-813

OKP-813    Gypsum    Montalban, Teruel, Aragon, Spain.  Ex. Dr. Steve Chamberlain collection.  This nice floater measures 6.7 x 3.7 x 1.6 cm.  It is attractive and intricate from any view.  VERY minor fold to back edge in a small area.  Excellent condition.  Clarity is water-like showing off what appear to be hydrocarbon (black) inclusions.  $45

 

 

 

 

 

OKP-814

OKP-814     Mimetite and Coronadoite     Dry Gill Mine, Caldbeck Fells, Cumbria, England.  Ex. Dr. Steve Chamberlain collection.  Large, dull yellow, somewhat morphed mimetites to 1.3 cm each compose the display face of this specimen that measures 7.9 x 4.6 x 3.1 cm overall.  Edge crystals show cross sectional views of the internal zoning of the crystals.  $75   

 

 

 

 

 

OKP-815

OKP-815    Quartz and Microcline    Wausau Pluton, Marathon County, Wisconsin.  Ex. Dr. Steve Chamberlain collection.  This smoky colored quartz shows excellent transparency that is somewhat masked by a lightly frosted surface.  It measures 11.5 x 5.5 x 4 cm.  One end has a complex termination showing multiple tips (a couple of which are chipped) but otherwise free of damage.  Feldspar at contacts from where it formed on matrix.  A nice piece mined in 1981 by David Bierbrauer.  $60

 

 

 

 

 

OKP-816

OKP-816      Witherite, Magnetite, Hematite     Walton, Nova Scotia, Canada.  Ex. Dr. Steve Chamberlain collection.  This piece is probably from the Walton Barite Mine in Haunts County.  It came from Ward's minerals division in 1983 and shows what appears to be large witherites overgrown by a second generation of witherite or perhaps dolomite.  It is a nice quality specimen showing only a small area of natural contact on one small surface.  Cracks are present but everything is very stable.  Matrix is magnetite (grayish black) and hematite (chocolate brown).  6.5 x 6.5 x 4.2 cm.   $340

 

 

 

 

 

OKP-817

OKP-817    Gypsum    Montalban, Teruel, Aragon, Spain.  Ex. Dr. Steve Chamberlain collection.  This nice floater measures 7 x 3.3 x 2.3 cm.  It is attractive and shows branching in several directions.  One side shows a couple minor pressure burses to branch terminations.  Excellent condition, overall.  Clarity is water-like showing off what appear to be hydrocarbon (black) inclusions.  $65

 

 

 

 

 

OKP-818

OKP-818    Gypsum    Montalban, Teruel, Aragon, Spain.  Ex. Dr. Steve Chamberlain collection.  This nice floater measures 11.4 x 3.4 x 1.8 cm.  It is attractive and has intricate surface patterning on all sides.  No damage.  Clarity is water-like showing off what appear to be hydrocarbon (black) inclusions.  $55

 

 

 

 

 

OKP-819

OKP-819    Gypsum    Montalban, Teruel, Aragon, Spain.  Ex. Dr. Steve Chamberlain collection.  This nice floater measures 9.5 x 3.4 x 2 cm.  It is attractive and has intricate surface patterning on all sides.  Both terminations show minor crushing, as seen in photos.  Clarity is water-like showing off what appear to be hydrocarbon (black) inclusions.  $45

 

 

 

 

 

OKP-820

OKP-820    Gypsum    Montalban, Teruel, Aragon, Spain.  Ex. Dr. Steve Chamberlain collection.  This nice floater measures 9.9 x 3.2 x 2.3 cm.  It is attractive and has intricate surface patterning on all sides.  One termination shows VERY minor damage.  Clarity is exceptional showing off what appear to be minor hydrocarbon (black) inclusions.  $65

 

 

 

 

 

OKP-821

OKP-821    Gypsum    Montalban, Teruel, Aragon, Spain.  Ex. Dr. Steve Chamberlain collection.  This nice floater measures 6.6 x 3 x 1.3 cm.  It is attractive and has intricate surface patterning on all sides.  Both terminations show minor crushing, as seen in photos.  Clarity is water-like showing off what appear to be hydrocarbon (black) inclusions.  $40

 

 

 

 

 

OKP-822

OKP-822      Gypsum     Naica, Mexico.  Ex. Dr. Steve Chamberlain collection.  This piece is curved creating a wave shaped specimen.  It shows multiple healed areas to create this unusual effect.  6.3 x 4 x 2 cm.  Interesting, lustrous, and no damage.  $35

 

 

 

 

 

OKP-823

OKP-823     Fluorite     Moscona Mine, Solis, Correra, Asturias, Spain.  Ex. Dr. Steve Chamberlain collection.  This piece shows yellow cubes with mild phantoming to 1.1 cm on edge.  The piece measures 10.7 x 7.7 x 3.9 cm.  There are numerous corner cleaves as seen.  $40

 

 

 

 

 

OKP-824

OKP-824     Weloganite with Franconite and Pectolite    Francon Quarry, Montréal, Québec, Canada.  Ex. Dr. Steve Chamberlain collection.  A partial vug dominates a 5.2 x 4 x 3 cm piece.  The large weloganite is beautiful being a fine yellow color, lustrous (except where coated by white franconite), and large at 1.7 cm in size.  Two smaller crystal are chipped but the piece is in very good condition and displays very well.  Beautifully trimmed unlike most specimens from this location.  $250

 

 

 

 

 

OKP-825

Back?

OKP-825    Goethite and Calcite    1,400 Foot Level, Geevor Mine, Pendeen, Cornwall, England.  Ex. Dr. Steve Chamberlain collection.  This plate of crystals measures 7 x 5 x 1.2 cm and has small calcites on both sides on chocolate brown goethite (some of which is crystallized).  One tine chip on edge otherwise a damage free floater.  $40

 

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