December 2017 Update, Page 5

 

 

OKO-529

OKO-529     Chalcopyrite and Quartz     Cavnic, Romania.  Ex. Harold L. Dibble collection.  This large specimen measures 19 x 9.5 x 5 cm and is fully coated by transparent quartz and large, bright chalcopyrite crystals on one side.  Thee is some chipping on the chalcopyrite's as seen, but overall, it is in good condition and displays very nicely.  $150

 

 

 

 

OKO-530

 

OKO-530      Barite on Feldspar      Peru.  Ex. Harold L. Dibble collection.  This piece shows several large feldspar groups that have a nice flesh to pink color with transparent, lustrous, tabular barite crystals.  It has a domical shape and sits on edge nicely for display.  There is minor damage that does not take away from how it displays, as can be seen in the images.  These have been common in clear and blue colors but rarely seen in combination with the feldspar accessory.  11 x 10 x 7.7 cm in size.    $250

 

 

 

 

 

OKO-531

Calcite

Bottom

Top View

OKO-531     Celestine and Calcite      Lime City, Ohio.  Ex. Harold L. Dibble collection.  This is a very large example of these unusual barrel shaped celestine crystals.  The piece has a great deal of damage on both sides but the top is clean and very nice.  It could be trimmed but the piece is quite substantial and someone may rather have it, as is.  The piece measures 13.5 x 12 x 7.4 cm with crystals to almost 6 cm.  Some of these zoned crystals are doubly-terminated.  $100

 

 

 

 

 

OKO-532

OKO-532     Stibnite on Pyrite      Herja, Romania.  Ex. Harold L. Dibble collection.  This large specimen measures 15 x 8.5 x 6 cm and has star burst clusters of acicular stibnite crystals to 6 cm in diameter.  I'm sure there are some crystals missing but it would be nearly impossible to determine this.  I think it would generally be described as damage-free.  The clusters sit up high and display very nicely.  This can not be shipped so would need to be picked up at a show I attend.  $350

 

 

 

 

 

OKO-533

OKO-533    Emerald on Pyrite     Columbia.  Ex. Harold L. Dibble collection.  This is a nice large display piece that side on edge for display and measures 20.5 x 14 x 5 cm.  The crystal are embedded and of nice quality being transparent in areas and translucent, overall.  The one on the right is complete, doubly-terminated, and measures 4.3 cm long.  The other two are incomplete.  The pyrite is very interesting but I would never look at this being a pyrite specimen.  The backside is coated with large pyrites and quartz.  I wish we knew what specific mine this was from but I'm sure the matrix, pyrites, and emeralds themselves will clue someone in on this matter.  $400

 

 

 

 

 

OKN-733

OKN-733    Varascite      Clay Canyon, Fairfield, Utah County, Utah.  Ex. Harold L. Dibble collection.  This very large nodule of varascite is composed of approximately 70% green varascite.  It measures 18 x 12 x 8 cm and displays beautifully.  It sits on edge showing the polished regions nicely.  No damage to piece.  $425

 

 

 

 

 

OKO-536

Backside

OKO-536      Quartz, Feldspar, Muscovite      Minas Gerais, Brazil.  Ex. Harold L. Dibble collection.  This is a large, complex specimen that measures 16 x 12.5 x 5 cm.  Multiple terminations on this fully healed floater.  The piece is in excellent condition with there being only one small rub on one of the many terminations.  Some smaller faces show minor skeletal development.  The smoky coloration is selective and isolated to only some areas of the crystals... it is almost like some one poured the coloration in and it just drifted around to some regions of the piece.  A very interesting, aesthetic and desirable piece.  $600

 

 

 

 

 

OKO-535

OKO-535      Pyrite       Peru.  Ex. Harold L. Dibble collection.  This example measures 8.5 x 7 x 3 cm and has nicely formed high luster crystals as one would expect from this country.  The specimen is in good condition with only one rub to the edge on a crystal (near edge of piece.).  Largest crystal may appear to have a rub in the images but it is damage free and aesthetic.  $50

 

 

 

 

 

OKO-538

Backside of largest crystal.

OKO-538      Rutile      Graves Mountain, Georgia.  Ex. Harold L. Dibble collection.  This is a very large example of this east coast classic.  It measures 14.5 x 10 x 8.6 cm and has crystals to 9.5 cm each.  Some crystals are not complete on the backside as this is a matrix specimen, but it displays quite nicely and only has one small chip on the big crystal.  Good red flashes within the crystals.  It has a fine metallic luster and the crystals are sharply formed.  $350

 

 

 

 

 

OKO-537

OKO-537     Quartz     Jeffrey Stone Quarry, North Little Rock, Arkansas.  Ex. Harold L. Dibble collection.  This is a large example from this location measuring 12 x 9 x 8 cm.  It displays nicely from any direction and is crystallized on all sides.  The rock surfaces that remain exposed are actually healed, so the specimen is a "floater".  There are a few broke or missing crystals as would be the norm on a porcupine-like piece such as this.  $300

 

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