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Dioptase (classic material)
Tsumeb Mine, Oshikoto Region, Namibia
Ex. Jack Halpern
4.7 x 4.2 x 1.8 cm
Winning Bid: $1,667
Ilvaite on Quartz
Dalnegorsk, Dalnegorsk Urban District, Primorsky Krai, Russia
Ex. Jack Halpern
7.8 x 5.7 x 4.7 cm
Winning Bid: $955
Schorl on Albite (fine locality specimen)
Shengus, Haramosh Mts., Skardu Dist., Baltistan, Gilgit-Baltistan, Pakistan
Ex. Jack Halpern
11.2 x 8.7 x 4.2 cm
Winning Bid: $2,125
Ferberite with Fluorapatite
Panasqueira, Covilhã, Distrito de Castelo Branco, Portugal
Ex. Jack Halpern
6.3 x 6.2 x 2.7 cm
Winning Bid: $650
Aegirine on Microcline
Mount Malosa, Zomba, Southern Region, Malawi
Ex. Jack Halpern
8.7 x 6.7 x 6.2 cm
Winning Bid: $725
Wavellite (classic material)
Mauldin Mt., Montgomery Co., Arkansas, USA
Ex. Jack Halpern
6.3 x 4.3 x 3.3 cm
Winning Bid: $642
Cerussite (twins) with Baryte
Les Dalles Mine, Mibladen Dist., Midelt Prov., Drâa-Tafilalet Region, Morocco
Ex. Jack Halpern
9.3 x 8.6 x 3.2 cm
Winning Bid: $679
Sulfur on Aragonite (classic material)
Caltanissetta, Caltanissetta Province, Sicily, Italy
Ex. Jack Halpern
9.1 x 7.2 x 2.9 cm
Winning Bid: $456
Calcite
Charcas, Charcas Municipality, San Luis Potosí, Mexico
Ex. Jack Halpern
8.3 x 5.2 x 3.6 cm
Winning Bid: $200
Malachite (classic material)
Mashamba West Mine, Sicomines Copper-Cobalt Project, Mutshatsha, Lualaba, DR Congo
Ex. Jack Halpern
6.2 x 6.0 x 1.2 cm
Winning Bid: $466
Baryte (classic material)
Stoneham, Weld Co., Colorado, USA
Ex. Jack Halpern; Norm Bennett
12.2 x 9.4 x 3.8 cm
Winning Bid: $833
Quartz var: Amethyst with Hematite inclusions
Diamond Willow Mine, McTavish Township, Thunder Bay District, Ontario, Canada
Ex. Jack Halpern
5.2 x 4.1 x 2.7 cm
Winning Bid: $592
Quartz var: Rose
Sapucaia Mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
Ex. Jack Halpern
11.1 x 8.7 x 1.1 cm
Winning Bid: $2,200
Hematite (fine crystals)
N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Ex. Jack Halpern
6.2 x 5.2 x 2.2 cm
Winning Bid: $644
Aragonite var: Lead-bearing Aragonite (formerly ''Tarnowitzite'') (rare locality specimen)
Touissit, Touissit-Bou Beker mining district, Jerada Province, Oriental Region, Morocco
Ex. Jack Halpern; Clifford J. Krueger
6.1 x 4.8 x 2.3 cm
Winning Bid: $725
Goethite (iridescent)
Filón Sur Open Pit, Tharsis Mines, Tharsis, Alosno, Huelva, Andalusia, Spain
Ex. Jack Halpern
8.2 x 5.6 x 3.3 cm
Winning Bid: $603
Sturmanite (rare)
N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa
Ex. Jack Halpern
9.7 x 5.2 x 1.7 cm
Winning Bid: $725
Gypsum var: Selenite (''floater'' specimen)
Red River Floodway, Winnipeg, Manitoba, Canada
Ex. Jack Halpern
5.2 x 4.2 x 1.7 cm
Winning Bid: $320
Grossular var: Chromium-bearing (rich color)
Jeffrey Mine, Val-des-Sources, Les Sources RCM, Estrie, Québec, Canada
Ex. Jack Halpern
2.7 x 2.0 x 1.2 cm
Winning Bid: $550
Quartz var: Amethyst (classic material)
Piedra Parada, Tatatila Municipality, Veracruz, Mexico
Ex. Jack Halpern
5.7 x 4.7 x 4.3 cm
Winning Bid: $337
Fluorite with Calcite (2021 find)
Yaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou, Hunan, China
Ex. Jack Halpern
7.5 x 6.7 x 6.6 cm
Winning Bid: $545
Vanadinite (classic material)
ACF Mine, Mibladen, Aït Oufella Caïdat, Midelt Cercle, Midelt Province, Drâa-Tafilalet Region, Morocco
Ex. Jack Halpern
4.9 x 1.3 x 0.8 cm
Winning Bid: $92
Azurite (historic material)
Chessy Copper Mines, Chessy, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes, France (Type Locality)
Ex. Jack Halpern
4.7 x 3.2 x 2.3 cm
Winning Bid: $435
Amazonite (rich color with white ''stripes'' and ''caps'') (Mined: 1984)
R. A. Kosnar ''Stripe Cliam'' near Lake George, Park Co., Colorado, USA
Ex. Jack Halpern; Rich Kosnar
4.7 x 4.1 x 2.3 cm
Winning Bid: $655
Scheelite with Beryl var: Goshenite and Muscovite
Pingwu Beryl Mine, Huya Township, Mt Xuebaoding, Pingwu Co., Mianyang, Sichuan, China
Ex. Jack Halpern
11.3 x 8.8 x 2.5 cm
Winning Bid: $700
Quartz (GEM ''floater'' etched crystal)
Tormiq, Haramosh Mts., Roundu District, Gilgit-Baltistan, Pakistan
Ex. Jack Halpern
14.7 x 3.7 x 3.3 cm, 162.0 grams
Winning Bid: $556
Fluor-uvite - Uvite Series (Tourmaline) on Magnesite
Pedra Preta Pit, Serra das Éguas, Brumado, Bahia, Brazil
Ex. Jack Halpern
5.3 x 5.2 x 3.2 cm
Winning Bid: $910
Cerussite (reticulated twin)
Tsumeb Mine, Oshikoto Region, Namibia
Ex. Jack Halpern; Mark Rattay
7.1 x 1.6 x 1.6 cm
Winning Bid: $201
Quartz var: Amethyst (with ''phantoms'')
Guanajuato, Guanajuato Municipality, Guanajuato, Mexico
Ex. Jack Halpern
10.7 x 8.7 x 4.7 cm
Winning Bid: $652
Calcite (imitating Fluorite) with Quartz
Jalgaon District, Maharashtra, India
Ex. Jack Halpern
8.7 x 4.7 x 3.7 cm
Winning Bid: $692