SPECIAL MINERAL AUCTION - THE COLLECTION of FRANK KEUTSCH - ends December 3, 2020

A special auction featuring specimens from the collection of Frank Keutsch with a focus on classic and rare mineral species, mostly from European localities.  
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Azurite with Malachite (1929-1930 Vaux Expedition) (ex Frank Keutsch Collection)
Tsumeb Mine, Otjikoto, Namibia
2.5 x 1.7 x 0.7 cm
Winning Bid: $250
Childrenite (classic material) (ex Frank Keutsch Collection)
George and Charlotte Mine, Devon & Cornwall United Mines, Gulworthy, West Devon, Devon, England, UK
4.9 x 3.7 x 2.3 cm
Winning Bid: $145
Witherite (classic material) (ex Frank Keutsch Collection)
Minerva No. 1 Mine, Cave-in-Rock Sub-District, Hardin County, Illinois
3.7 x 3.2 x 2.4 cm
Winning Bid: $65
Neptunite (classic material) (ex Frank Keutsch Collection)
California State Gem Mine (Dallas Gem Mine), Santa Rita Peak, San Benito County, California
4.3 x 2.8 x 2.1 cm
Winning Bid: $215
Argentopyrite with Pyrargyrite (ex Frank Keutsch Collection)
Samson Mine, St Andreasberg, Braunlage, Goslar District, Lower Saxony, Germany
5.5 x 4.8 x 2.3 cm
Winning Bid: $286
Descloizite (rare locality specimen) (ex Frank Keutsch Collection)
Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona
3.8 x 3.1 x 1.8 cm
Winning Bid: $15
Datolite (classic material) (ex Frank Keutsch Collection)
Lane & Son traprock quarries, Westfield, Hampden County, Massachusetts
5.1 x 3.7 x 3.1 cm
Winning Bid: $23
Rhodonite (var: Fowlerite) (classic material) (ex Frank Keutsch Collection)
Franklin Mine, Franklin Mining District, Sussex County, New Jersey
1.8 x 1.3 x 1.3 cm
Winning Bid: $32
Stibarsen ('Allemontite') (rare classic) (ex Frank Keutsch Collection)
Pribram District, Central Bohemian Region, Czech Republic
7.0 x 3.8 x 2.6 cm
Winning Bid: $171
Mimetite (var: Campylite) (old classic) (ex Frank Keutsch Collection)
Dry Gill Mine, Caldbeck Fells, North and Western Region (Cumberland), Cumbria, England
4.7 x 3.3 x 2.8 cm
Winning Bid: $286
Titanite (ex Frank Keutsch Collection)
Sebastopol Township, Renfrew County, Ontario, Canada
3.7 x 3.2 x 1.0 cm
Winning Bid: $10
Hematite (var: Martite) with Augite (ex Frank Keutsch Collection)
Twin Peaks Prospect, Twin Peak, Millard County, Utah
5.3 x 4.7 x 3.4 cm
Winning Bid: $68
Phenakite (old classic) (ex Frank Keutsch Collection)
Rio Piracicaba (Old Sao Miguel de Piracicaba), Minas Gerais, Brazil
2.2 x 2.1 x 1.1 cm
Winning Bid: $210
Carrollite (formerly 'Sychnodymite') (rare locality specimen) (ex Frank Keutsch Collection)
Vereinigte Kohlenbach Mine, Brüderbund Mine, Kohlenbach Valley, Eiserfeld, Siegen, Siegerland, North Rhine-Westphalia, Germany
7.1 x 6.2 x 3.7 cm
Winning Bid: $100
Vanadinite (beautiful crystals) (ex Frank Keutsch Collection)
Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona
3.2 x 2.2 x 1.7 cm
Winning Bid: $70
Silver (classic locale) (ex Frank Keutsch Collection)
Neustadtel, Schneeberg, Erzgebirgskreis, Saxony, Germany
5.8 x 4.1 x 3.7 cm
Winning Bid: $82
Stellerite (ex Frank Keutsch Collection)
Sokolovskoe Iron Mine, Rudny, Kostanay Region, Kazakhstan
7.8 x 5.2 x 1.7 cm
Winning Bid: $71
Native Antimony (ex Frank Keutsch Collection)
Kolarsky vrch deposit, Pezinok, Bratislava Region, Slovakia
5.3 x 4.3 x 2.8 cm
Winning Bid: $69
Native Bismuth (ex Frank Keutsch Collection)
Botallack Mine, Botallack, St Just, Cornwall, England, UK
5.8 x 2.8 x 2.6 cm
Winning Bid: $140
Stibnite (RARE locality) (ex Frank Keutsch Collection)
Gnade Gottes Mine, St Andreasberg, Braunlage, Goslar District, Lower Saxony, Germany
6.2 x 4.7 x 2.9 cm
Winning Bid: $199
Breithauptite (old classic) (ex Frank Keutsch Collection)
St Andreasberg, Braunlage, Goslar District, Lower Saxony, Germany
5.3 x 3.7 x 2.7 cm
Winning Bid: $292
Breithauptite (old classic) (ex Frank Keutsch Collection)
St Andreasberg, Braunlage, Goslar District, Lower Saxony, Germany
3.1 x 2.2 x 1.3 cm
Winning Bid: $105
Vanadinite with Endlichite and Mottramite (ex Frank Keutsch Collection)
Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona
5.3 x 3.3 x 2.8 cm
Winning Bid: $121
Seligmannite (RARE locality specimen) (ex Frank Keutsch Collection)
Madem-Lakko Mine (Madem Laccos Mine), Stratoni operations, Cassandra Mines, Aristotelis, Chalkidiki, Central Macedonia, Greece
6.3 x 3.7 x 1.3 cm
Winning Bid: $1,410
Tourmaline (12.21 grams) (ex Frank Keutsch Collection)
Governador Valadares, Doce valley, Minas Gerais, Brazil
3.7 x 1.2 x 1.0 cm
Winning Bid: $403