- KRC-17
- Smithsonite on Aurichalcite
- $600.00
- Miniature, 4.2 x 2.3 x 1.4 cm
- Kelly Mine, Magdelena, Socorro Co. New Mexico, USA
- (4 more images)
- KRC-18
- Galena (circa 1800's)
- $400.00
- Miniature, 3.8 x 3.1 x 2.6 cm
- Galena District, Jo Daviess Co., Illinois, USA
- (5 more images)
- KRC-19
- Mercury-rich Silver var. Kongsbergite
- $750.00
- Small Cabinet, 5.8 x 4.4 x 1.4 cm
- Imiter Mine, Ouarzazate Province, Draa-Tafilalet Region, Morocco
- (4 more images)
- KRC-13
- Beryl var. Aquamarine
- $2,750.00
- Miniature, 5.3 x 2.0 x 1.7 cm
- Mt Antero, Chaffee Co., Colorado, USA
- (3 more images)
- KRC-15
- Molybdenite
- $400.00
- Miniature, 5.2 x 3.8 x 0.7 cm
- Port Chester, Westchester Co., New York
- (4 more images)
- KRC-10
- Cavernous Hematite on Quartz
- $1,250.00
- Small Cabinet, 6.5 x 5.0 x 3.8 cm
- Cavradi gorge, Curnera Valley, Tujetsch, Grischun, Switzerland
- (5 more images)
- KRC-11
- Rhodochrosite on Rhodochrosite
- $1,800.00
- Miniature, 5.0 x 4.8 x 2.7 cm
- Sunnyside Mine, Silverton, Animas District, San Juan Co., Colorado, USA
- (3 more images)
- KRC-06
- Covellite with Quartz
- $2,250.00
- Small Cabinet, 5.3 x 4.2 x 4.1 cm
- Leonard Mine, Butte District, Silver Bow Co., Montana, USA
- (5 more images)
- KRC-07
- Columbite-Tantalite
- $900.00
- Small Cabinet, 5.5 x 2.1 x 0.9 cm
- Devil's Hole Quarry, Texas Creek Area, Fremont Co., Colorado, USA
- (3 more images)
- KRC-08
- Plumboan Aragonite var. Tarnowitzite (fl)
- $1,250.00
- Small Cabinet, 7.3 x 5.5 x 4.1 cm
- Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
- (5 more images)
- KRC-02
- Cerussite
- $750.00
- Cabinet, 10.4 x 9.0 x 5.8 cm
- Flux Mine, Patagonia Mts, Santa Cruz Co., Arizona, USA
- (4 more images)
- KRC-03
- Rhodonite gem crystal in Galena
- $950.00
- Miniature, 4.1 x 3.6 x 1.3 cm
- 2700 Level, North Mine, Broken Hill, New South Wales, Australia
- (4 more images)
- KRC-04
- Talc ps. after Quartz
- $750.00
- Miniature, 5.1 x 4.3 x 2.8 cm
- Johannes Mine, Gopfersgrun, Fichtelgebirge, Bavaria, Germany
- (3 more images)
- KRC-05
- Silver with Nickelskutterudite and Dolomite
- $900.00
- Miniature, 3.7 x 2.7 x 2.1 cm
- Alhambra Mine, Black Hawk District, Grant Co., New Mexico, USA
- (5 more images)
- KRB-59
- Pseudomalachite on Quartz
- $250.00
- Small Cabinet, 5.6 x 5.3 x 3.3 cm
- Cornwall, England, UK
- (6 more images)
- KRB-55
- Acanthite
- $1,200.00
- Small Cabinet, 6.5 x 4.9 x 0.9 cm
- Jachymov, Krusne Hory Mts, Karlovy Vary Region, Bohemia, Czech Republic
- (5 more images)
- KRB-56
- Wulfenite (Bipyramidal)
- $650.00
- Thumbnail, 2.9 x 2.2 x 1.7 cm
- Erupcion Mine, Los Lamentos Mts., Chihuahua, Mexico
- (5 more images)
- KRB-57
- Galena
- $1,000.00
- Small Cabinet, 6.1 x 5.8 x 2.1 cm
- Freiberg District, Erzgebirge, Saxony, Germany
- (6 more images)
- KRB-53
- Galena ps. Pyromorphite
- $3,500.00
- Small Cabinet, 6.0 x 3.5 x 2.6 cm
- Kautenbach Mine, Bernkastel, Mosel, Rhineland-Palatinate, Germany
- (3 more images)
- KRB-49
- Pink Fluorite
- $1,250.00
- Miniature, 4.8 x 3.9 x 3.2 cm
- Mont Blanc Massif, Chamonix, Auvergne-Rhone-Alpes, France
- (5 more images)
- KRB-50
- Bournonite and Quartz (circa mid 1800's)
- $1,750.00
- Small Cabinet, 5.6 x 3.8 x 3.2 cm
- Herodsfoot Mine, Liskeard District, Cornwall, England, UK
- (4 more images)
- KRB-47
- Tetradymite and Gold
- $450.00
- Small Cabinet, 6.6 x 4.1 x 3.5 cm
- Jilove Gold mining District, Central Bohemia Region, Bohemia, Czech Republic
- (4 more images)
- KRB-48
- Silver on Polybasite, on Baryte (mid 1800's)
- $2,400.00
- Small Cabinet, 7.2 x 5.7 x 4.5 cm
- Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany
- (5 more images)
- KRB-31
- Metavauxite (Type Locality)
- $750.00
- Thumbnail, 2.2 x 2.0 x 1.8 cm
- Siglo Veinte Mine, Llallagua, Potosà Department, Bolivia (TL)
- (4 more images)
- KRB-33
- Gehlenite and Hyalite Opal (fl) (?)
- $950.00
- Thumbnail, 2.6 x 1.8 x 1.7 cm
- nr. Tin Mountain, Death Valley Nat'l Park, Inyo Co., California, USA
- (4 more images)
- KRB-35
- Pyrargyrite with Quartz
- $1,450.00
- Miniature, 4.7 x 3.1 x 2.7 cm
- St Andreasberg District, Harz, Lower Saxony, Germany
- (5 more images)
- KRB-42
- Silver on Silver ps. Pyrargyrite (dated 1884)
- $1,250.00
- Small Cabinet, 7.4 x 6.1 x 3.0 cm
- Pribram, Central Bohemia Region, Bohemia, Czech Republic
- (5 more images)
- KRB-43
- Celestine
- $275.00
- Miniature, 5.5 x 4.6 x 2.4 cm
- Lehigh Portland Cement Co. Quarry, Mitchell, Lawrence Co., Indiana, USA
- (4 more images)
- KRB-13
- Wulfenite with Hyalite Opal (fl)
- $2,000.00
- Small Cabinet, 5.9 x 4.3 x 3.5 cm
- Old Yuma Mine, Amole District, Tucson Mts, Pima Co., Arizona, USA
- (4 more images)
- KRB-15
- Diaboleite with Paralaurionite and Leadhillite
- $400.00
- Miniature, 3.4 x 2.5 x 1.9 cm
- Mammoth-Saint Anthony Mine, Tiger, Mammoth District, Pinal Co., Arizona, USA
- (4 more images)
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