September 2017 Update, Page 3

 

 

OKO-807

OKO-807     Magnetite and Sphalerite     2,500 foot Level of the Zinc Corporation of America Mine, Balmat, St. Lawrence, County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen.  Rare, well documented, and important material that is unique to the mineralogical world.  It also ranks among the best known for the species.  This example shows both of the important forms (cubes with tetrahexahedral modifications to faces) in numerous beautifully formed, damage-free crystals.  The sphalerite is minor and on back of the specimen.  The back is composed of healed surfaces.  This one measures 5.7 x 3.1 x 2 cm.  Lots of luster and flash.  No damage.  $195

 

 

 

 

 

OKO-808

OKO-808     Magnetite     2,500 foot Level of the Zinc Corporation of America Mine, Balmat, St. Lawrence, County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen.  Rare, well documented, and important material that is unique to the mineralogical world.  It also ranks among the best known for the species.  This example shows both of the important forms (cubes with tetrahexahedral modifications to faces) in numerous beautifully formed, very large, damage-free crystals.  This is actually two complex crystals.  A couple contacts on base and back, elswhere damage-free.  4.4 x 2.7 x 2 cm.  Medium to high luster.  Great piece.  $180

 

 

 

 

 

OKO-809

OKO-809    Magnetite     2,500 foot Level of the Zinc Corporation of America Mine, Balmat, St. Lawrence, County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen.  Rare, well documented, and important material that is unique to the mineralogical world.  It also ranks among the best known for the species.  This example shows both of the important forms (cubes with tetrahexahedral modifications to faces) in numerous beautifully formed, damage-free crystals.  Great front, top and sides.  Base and back are contacts.  4.2 x 2.8 x 1.7 cm.  No damage, good luster, sits nicely.  Second generation crystals on one side of piece.  Cubes are up to 1.6 cm each.  $150

 

 

 

 

 

OKO-810

OKO-810     Magnetite     2,500 foot Level of the Zinc Corporation of America Mine, Balmat, St. Lawrence, County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen.  Rare, well documented, and important material that is unique to the mineralogical world.  It also ranks among the best known for the species.  This example shows both of the important forms (cubes with tetrahexahedral modifications to faces) in a couple large, beautifully formed, damage-free crystals.  The luster is lower because the tetrahexahedral faces dominate (and they always tend to have lower lusters).  4 x 3.3 x 2.2 cm.  Base and minor edge contacts.  Everything else is well crystallized and free of damage.  $200

 

 

 

 

OKO-811

Back

OKO-811     Magnetite     2,500 foot Level of the Zinc Corporation of America Mine, Balmat, St. Lawrence, County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen.  Rare, well documented, and important material that is unique to the mineralogical world.  It also ranks among the best known for the species.  This example shows both of the important forms (cubes with tetrahexahedral modifications to faces) in numerous beautifully formed, damage-free crystals. The fron shows some anhydrite.  4.2 x 3.8 x 2 cm.  Some anhydrite on front.  Damage free front, back has one chipped area and one large healed contact.  Nice luster.  Attractive specimen.  $300

 

 

 

 

 

OKO-812

OKO-812     Magnetite and Sphalerite     2,500 foot Level of the Zinc Corporation of America Mine, Balmat, St. Lawrence, County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen.  Rare, well documented, and important material that is unique to the mineralogical world.  It also ranks among the best known for the species.  This example shows both of the important forms (cubes with tetrahexahedral modifications to faces) in numerous beautifully formed, damage-free crystals.  Minor clear sphalerite.  3 x 2.9 x 2.6 cm.  Several nice display faces showing great crystals and high luster.  Bas and back are contacts.  A couple tiny contacts low on one display face.  Can be shown several different ways.  $180

 

 

 

 

 

OKO-813

OKO-813      Calcite and minor sulfides     Z.C.A. Hyatt Mine, Talcville, St. Lawrence County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen. A well formed piece dominated by one large schalenohedral crystal.  Light pink coloration but, not as obvious as the image indicates.  5.7 x 4 x 3.9 cm.  Damage free.  $70

 

 

 

 

 

OKO-814

OKO-814      Calcite and minor sulfides      Z.C.A. Hyatt Mine, Talcville, St. Lawrence County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen. A ball shaped grouping of damage-free crystals.  4.6 x 4 x 3.5 cm.  Minor blue mineral tack on base.     $30

 

 

 

 

 

OKO-815

OKO-814      Calcite and Talc      Z.C.A. Hyatt Mine, Talcville, St. Lawrence County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen. A piece dominated by tow water clear, damage-free crystals in talc.  5 x 4.2 x 2.7 cm.  Damage-free with only one edge showing some contact.  Exceptional for the location.  $95

 

 

 

 

 

OKO-816

OKO-814      Calcite and minor sulfides      Z.C.A. Hyatt Mine, Talcville, St. Lawrence County, New York.  Ex. Chuck Bowman, Z.C.A. miner and collector of specimen. A flat grouping of damage-free crystals.  6.2 x 3.4 x 1.1 cm plate.  Crystallized on both sides.  Minor blue mineral tack on back.  $35

 

 

 

 

 

OKO-860

OKO-860      Hematite on Quartz     Chub Lake, Hailesboro, St. Lawrence County, New York.  Ex. Chuck Bowman collection.  This is a doubly terminated floater with a healed base contact area.  One corner rub faces you in both the first and third image.  That is the only blemish.  Exceptionally large crystal for the occurrence.  4.2 x 4 x 3.5 cm.  Blue mineral tack on base.  $175

 

 

 

 

 

 

OKO-861

OKO-861    Pyrite     Z.C.A. Mine, Pierrepont, St. Lawrence County, New York.  Ex. Chuck Bowman collection.  This piece measures 5.1 x 4.1 x 3.1 cm.  A floater with two small healed contacts.  Nice large crystals make up this "pyrite ball".  It was a famous find that produced many nice specimens.  They are seldom seen in today's mineral market.  $125

 

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