- KRD-20
- Malachite ps. Azurite with Quartz caps
- $1,600.00
- Small Cabinet, 6.7 x 5.0 x 3.8 cm
- Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
- (6 more images)
- KRD-21
- Fluorapatite
- $50.00
- Thumbnail, 1.8 x 1.4 x 1.3 cm
- Imilchil, Er Rachidia Province, Draa-Tafilalet Region, Morocco
- (3 more images)
- KRD-22
- Cassitierite (twinned)
- $1,500.00
- Miniature, 5.2 x 4.9 x 3.2 cm
- Viloco Mine, Loayza Province, La Paz Department, Bolivia
- (5 more images)
- KRD-23
- Fluorite with Hematite and Baryte- illustrated
- $600.00
- Small Cabinet, 9.3 x 6.8 x 4.5 cm
- Erika Mine, Saulnhof, Wolsendorf Fluorite Mining Dis., Upper Palatinate, Bavaria, Germany
- (6 more images)
- KRD-24
- Crocoite
- $450.00
- Miniature, 4.9 x 1.3 x 1.0 cm
- Red Lead Mine, Dundas mineral field, Zeehan district, Tasmania, Australia
- (4 more images)
- KRD-25
- Fluorapatite (fluorescent) with scepter cap
- $750.00
- Miniature, 3.4 x 1.7 x 1.4 cm
- Shengus, Haramosh Mts., Skardu District, Gilgit-Baltistan, Pakistan
- (5 more images)
- KRD-26
- Malachite
- $950.00
- Small Cabinet, 8.7 x 5.7 x 3.8 cm
- Friedrich Mine, Wissen, Siegerland, Rhineland-Palatinate, Germany
- (3 more images)
- KRD-28
- Diopside in Wollastonite
- $200.00
- Small Cabinet, 8.4 x 6.2 x 4.5 cm
- Jensen Quarry, Jurupa, Jurupa Mts, Riverside Co., California, USA
- (5 more images)
- KRD-29
- Rhodochrosite and Quartz on Fluorite
- $900.00
- Miniature, 3.5 x 3.1 x 2.5 cm
- Silverton, Animas District, San Juan Co., Colorado, USA
- (5 more images)
- KRD-30
- Azurite altering to Malachite
- $1,500.00
- Small Cabinet, 7.3 x 3.7 x 2.0 cm
- Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
- (6 more images)
- KRD-31
- Smithsonite ps. Calcite, with Greenockite
- $450.00
- Small Cabinet, 7.2 x 5.3 x 3.7 cm
- Mineral Point, Iowa Co., Wisconsin, USA
- (5 more images)
- KRD-32
- Hessite with Quartz, Sphalerite, and Gold - illustrated
- $3,600.00
- Miniature, 5.6 x 3.4 x 2.6 cm
- Botesti, Zlatna, Alba Co., Romania
- (6 more images)
- KRD-02
- Celestine on Sulfur
- $125.00
- Miniature, 5.0 x 4.3 x 3.0 cm
- Racalmuto Sulfur mines, Agrigento Province, Sicily, Italy
- (5 more images)
- KRD-05
- Gypsum var. Selenite, with Calcite
- $350.00
- Small Cabinet, 8.6 x 4.3 x 4.0 cm
- Naica, Mun. de Saucillo, Chihuahua, Mexico
- (5 more images)
- KRD-06
- Celestine and Calcite
- $200.00
- Small Cabinet, 8.2 x 4.8 x 3.6 cm
- Ottawa Silica Company Quarry, Rockwood, Wayne Co., Michigan, USA
- (5 more images)
- KRD-07
- Fluorite (fluorescent) with Dolomite- illustrated
- $1,650.00
- Cabinet, 10.1 x 6.4 x 4.2 cm
- Cacilia Mine, Wolsendorf Fluorite Mining District, Upper Palatinate, Bavaria, Germany
- (5 more images)
- KRC-71
- Corundum var. Sapphire.
- $750.00
- Thumbnail, 2.9 x 1.6 x 1.1 cm
- Inverell, New South Wales, Australia
- (2 more images)
- KRC-66
- Anhydrite with Pyrite
- $750.00
- Small Cabinet, 7.4 x 6.7 x 4.0 cm
- Campiano Mine, Montieri, Grosseto Province, Tuscany, Italy
- (5 more images)
- KRC-67
- Aragonite var. Cobaltian
- $450.00
- Small Cabinet, 7.5 x 4.7 x 0.8 cm
- Richelsdorf District, Hesse, Germany
- (1 more images)
- KRC-68
- Covellite
- $2,400.00
- Small Cabinet, 6.3 x 5.2 x 4.5 cm
- Summitville District, Rio Grande Co., Colorado, USA
- (5 more images)
- KRC-63
- Beryl var. Morganite in Albite and Quartz
- $950.00
- Cabinet, 9.5 x 8.7 x 6.6 cm
- White Queen Mine, Hiriart Mountain, Pala District, San Diego Co., California, USA
- (5 more images)
- KRC-64
- Silver (Spinel Twinned)
- $1,800.00
- Thumbnail, 1.2 x 0.4 x 0.4 cm
- Batopilas, Andres del Rio District, Chihuahua, Mexico
- (5 more images)
- KRC-65
- Smithsonite
- $1,450.00
- Small Cabinet, 6.2 x 4.0 x 3.9 cm
- Kelly Mine, Magdelena, Socorro Co. New Mexico, USA
- (4 more images)
- KRC-60
- Siderite cast pseudo. after Baryte
- $2,750.00
- Miniature, 3.7 x 2.8 x 0.8 cm
- Virtuous Lady Mine, Buckland Monachorum, Tavistock District, Devon, England, UK
- (4 more images)
- KRC-56
- Epidote with Quartz
- $1,800.00
- Small Cabinet, 9.0 x 7.5 x 7.3 cm
- Green Monster Mountain, Prince of Wales Island, Ketchikan District, Alaska, USA
- (5 more images)
- KRC-57
- Quartz included with Hematite, on Kidney Ore
- $2,400.00
- Cabinet, 10.4 x 6.8 x 5.1 cm
- Parkside Mine, Frizington, West Cumberland Iron Field, Cumbria, England, UK
- (5 more images)
- KRC-58
- Rhodochrosite on Quartz
- $2,500.00
- Cabinet, 12.7 x 5.8 x 5.0 cm
- Idarado Mine, Telluride, San Juan Mts, San Miguel Co., Colorado, USA
- (3 more images)
- KRC-54
- Pyromorphite
- $3,500.00
- Small Cabinet, 9.1 x 7.2 x 2.2 cm
- Wolfach, Black Forest, Baden-Württemberg, Germany
- (5 more images)
- KRC-55
- Wulfenite
- $1,600.00
- Cabinet, 9.7 x 6.4 x 5.4 cm
- Red Cloud Mine, Silver District, Trigo Mts, La Paz Co., Arizona, USA
- (3 more images)
- KRC-50
- Anglesite (fluorescent)
- $2,250.00
- Miniature, 4.8 x 2.2 x 1.8 cm
- Phoenixville Mining District, Schuylkill Township, Chester Co., Pennsylvania, USA
- (6 more images)
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