- KRD-50
- Dioptase
- Reneville, Kindanba District, Pool Department, Republic of Congo
- Miniature
- 4.5 x 3.3 x 1.7 cm
SOLD
- KRD-51
- Corundum var. Sapphire
- Franklin, Ellijay District, Cowee Valley, Macon Co., North Carolina, USA
- Thumbnail
- 1.3 x 1.0 x 0.9 cm
SOLD
- KRD-52
- Fluorite (twinned) included by Cinnabar, with Pyrite - illustrated
- Cacilia Mine, Freiung, Wolsendorf Fluorite Mining District, Bavaria, Germany
- Small Cabinet
- 6.1 x 5.7 x 4.3 cm
SOLD
- KRD-53
- Thaumasite
- N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
- Thumbnail
- 1.2 x 0.5 x 0.5 cm
SOLD
- KRD-54
- Malachite pseudo. Azurite
- Campbell Shaft, Bisbee, Mule Mts, Cochise Co., Arizona, USA
- Miniature
- 4.0 x 2.4 x 1.3 cm
SOLD
- KRD-55
- Jeanbandyite and Chalcocite on Fluorite
- Mount Pleasant Mine, Saint George Parish, Charlotte Co., New Brunswick, Canada
- Small Cabinet
- 6.1 x 4.6 x 2.9 cm
SOLD
- KRD-57
- Azurite rosettes on Malachite
- Kleinkogel, St Gertraudi, Brixlegg - Schwaz area, Inn valley, North Tyrol, Austria
- Miniature
- 5.2 x 5.2 x 2.9 cm
SOLD
- KRD-58
- Scheelite (fluor.) and Fluorite (fluor.)
- Xianghuapu Mine, Xianghualing Sn-polymetallic ore field, Chenzhou Prefecture, Hunan Province, China
- Small Cabinet
- 5.7 x 4.5 x 3.2 cm
SOLD
- KRD-59
- Wulfenite and Mimetite (1973 pocket)
- San Francisco Mine, Cerro Prieto, Mun. de Cucurpe, Sonora, Mexico
- Miniature
- 3.5 x 2.9 x 2.6 cm
SOLD
- KRD-60
- Fluorite (fluorescent) - illustrated
- Cacilia Mine, Freiung, Wolsendorf Fluorite Mining District, Bavaria, Germany
- Large Cabinet
- 14.4 x 10.0 x 3.5 cm
SOLD
- KRD-36
- Malachite ps. Azurite
- Sir Dominick Mine, Yudnamutana District, North Flinders Ranges, South Australia, Australia
- Miniature
- 3.2 x 2.4 x 2.2 cm
SOLD
- KRD-08
- Wulfenite coated by Quartz, on Chalcedony
- Finch Mine, Keystone Gulch, Banner District, Dripping Spring Mts, Gila Co., Arizona, USA
- Cabinet
- 11.1 x 6.3 x 4.5 cm
SOLD
- KRD-09
- Fluorite with Calcite
- Rosiclare District, Hardin Co., Illinois, USA
- Thumbnail
- 2.9 x 2.1 x 2.0 cm
SOLD
- KRD-10
- Goethite ps. after Pyrite
- Pelican Point Quarry, Utah Lake, Utah Co., Utah, USA
- Miniature
- 4.0 x 3.8 x 3.2 cm
SOLD
- KRD-11
- Silver
- Sarbaiskoe deposit, Rudny, Kostanay Province, Kazakhstan
- Thumbnail
- 2.1 x 1.6 x 1.1 cm
SOLD
- KRD-13
- Baryte with Aragonite
- Barbusi, Carbonia, Carbonia-Iglesias Province, Sardinia, Italy
- Cabinet
- 9.7 x 8.2 x 2.9 cm
SOLD
- KRD-14
- Pyrrhotite with Magnetite and Siderite
- Chiuzbaia, Baia Mare, Maramures Co., Romania
- Small Cabinet
- 7.5 x 7.5 x 4.0 cm
SOLD
- KRD-15
- Fluorite (fluorescent) with elongated habit
- South Vein, Heights Quarry, Weardale, Co. Durham, England, UK
- Miniature
- 5.1 x 3.7 x 2.7 cm
SOLD
- KRD-16
- Fluorapatite
- Pulsifer Quarry, West Mount Apatite District, Androscoggin Co., Maine, USA
- Miniature
- 3.8 x 3.1 x 1.5 cm
SOLD
- KRD-17
- Cuprite and Chrysocolla on Calcite
- Mashamba West Mine, Kolwezi District, Katanga Copper Crescent, Democratic Rep. of Congo
- Small Cabinet
- 5.8 x 5.4 x 5.3 cm
SOLD
- KRD-18
- Copper
- Chino Mine, Santa Rita, Santa Rita District, Grant Co., New Mexico, USA
- Small Cabinet
- 5.9 x 3.2 x 1.1 cm
SOLD
- KRD-19
- Silver
- Alhambra Mine, Black Hawk District, Big Burro Mts, Grant Co., New Mexico, USA
- Small Cabinet
- 7.6 x 6.1 x 0.3 cm
SOLD
- KRD-20
- Malachite ps. Azurite with Quartz caps
- Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
- Small Cabinet
- 6.7 x 5.0 x 3.8 cm
SOLD
- KRD-21
- Fluorapatite
- Imilchil, Er Rachidia Province, Draa-Tafilalet Region, Morocco
- Thumbnail
- 1.8 x 1.4 x 1.3 cm
SOLD
145-168 of 344 Items