DENVER SHOW SPECIAL MINERAL SPECIMEN AUCTIONS (part 1) end Sept 12, at 630 pm (CST)

We have a great selection of material including rare mineral species, unusual pieces, gem crystals, classics and display specimens from many mineral collections. 

1. Classic FRANKLINITE XLS, 100 YEARS OLD, FROM NEW JERSEY

2. Unique Neudorf GALENA & CALCITE

3. Classic and rare RHODOCHROSITES from the Logan Collection

4. J. Old Connecticut MALACHITE, from the 1800s !

5. Classics and rarities from the Kay Robertson Collection

6. Fine Seriphos QUARTZ "prase"

7. very Large and rich, museum sized  SUGILITE

8. NAMIBIAN specimens from the Shields Flynn Collection

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Large Azurite w/ electric-blue xls
Liufengshan Mine, Guichi District, Chizhou, Anhui, China
14.5 x 8.7 x 7.0 cm
Rhodochrosite w/ Silver & Pyrargryite (RARE combo) Logan Coll.
Uchucchacua Mine, Oyon Province, Lima Department, Peru
8.3 x 8.0 x 5.5 cm
Scorodite (old classic) Kay Robertson Coll.
Cornwall, England
2.8 x 2.4 x 1.8 cm
Dyscrasite, Argentopyrite & Calcite (old classic) Robertson Coll.
St Andreasberg District, Lower Saxony, Germany
6.4 x 4.3 x 3.5 cm
Topaz, Schorl & Goethite ps. Hematite (RARE) Charlie Key
Erongo Mountains, Karibib, Erongo Region, Namibia
8.5 x 6.7 x 6.3 cm
Calcite (3 generations) on Quartz (classic locale)
Cavnic, Maramures, Romania
10.8 x 10.3 x 3.9 cm
Aragonite (2 generations) w/ Sulfur (old classic)
Agrigento Province, Sicily, Italy
17.0 x 15.1 x 9.1 cm
Lepidolite w/ Muscovite "window"
Aracuai, Minas Gerais, Brazil
6.4 x 4.1 x 0.6 cm
Botryoidal "grape" Amethyst
Mamuju area, Sulawesi Barat Province, Sulawesi, Indonesia
5.4 x 4.0 x 2.5 cm
Staurolite (classic "cross" twin)
Keivy Mountains, Murmansk Oblast, Russia
5.1 x 4.0 x 1.8 cm
Tennantite (Shields Flynn Coll.)
Tsumeb Mine, Tsumeb, Namibia
3.8 x 3.5 x 2.8 cm
Makatite (rare silicate) Shields Flynn Coll.
Aris Quarries, Aris, Windhoek, Khomas Region, Namibia
2.6 x 2.0 x 1.4 cm
Quartz incl. w/ Actinolite "prase"
Serifos Island, Cyclade Islands, Kyklades Prefecture, Aegean Islands, Greece
8.3 x 5.0 x 2.8 cm
Galena & Calcite & Calcite casted after Galena (rare old classic)
Neudorf, Harz, Saxony-Anhalt, Germany
8.6 x 6.8 x 6.5 cm
Proustite, Pyrargyrite, Argentopyrite & Arsenic (Robertson Coll.)
St Andreasberg District, Lower Saxony, Germany
6.7 x 5.3 x 3.8 cm
Boracite (large xl - RARE locale) Robertson Coll.
Friedrichshall Potash works, Sehnde, Hanover, Lower Saxony, Germany
0.9 x 0.8 x 0.8 cm
Quartz, Calcite, Chalcopyrite & Sphalerite
Cavnic, Maramures, Romania
6.2 x 5.4 x 2.8 cm
Chatoyant Malachite (rare style - illustrated) Shields Flynn Coll.
Tsumeb Mine, Tsumeb, Namibia
7.8 x 5.3 x 4.0 cm
Smithsonite & Galena (Luis Leite & Shields Flynn Coll.)
Tsumeb Mine, Tsumeb, Namibia
6.2 x 5.2 x 3.8 cm
Nepouite (Mixite) rare island location!
New Caledonia, France
5.9 x 5.0 x 4.0 cm
Unusual gemmy Cerussite xl (Shields Flynn Coll.)
Tsumeb Mine, Tsumeb, Namibia
6.2 x 1.3 x 0.7 cm
Natrolite (rare locale) Kay Robertson Coll.
Rauschermuhle Quarry, Niederkirchen, Rhineland-Palatinate, Germany
3.9 x 2.9 x 2.1 cm
Cobaltoan Calcite (vivid color)
Agoudal Mines, Bou Azzer District, Tazenakht, Draa-Tafilalet, Morocco
11.0 x 8.7 x 6.5 cm
Adamite (fluorescent)
Mina Ojuela, Mapimi, Durango, Mexico
6.5 x 4.8 x 4.2 cm
Cassiterite twinned xls on Muscovite (fine!)
Mt Xuebaoding, Pingwu Co., Mianyang, Sichuan, China
8.2 x 7.9 x 4.4 cm
Large Pyromorphite (1995 finds) Sanabria Coll.
Resuperferolitica Mine, Minas Viejas, Santa Eufemia, Cordoba, Andalusia, Spain
14.8 x 11.3 x 6.0 cm
Calcite on Quartz (Tom Wolfe Coll.)
320 Level, Valenciana Mine, Guanajuato, Guanajuato, Mexico
6.5 x 5.5 x 3.8 cm
Malachite, Baryte & Quartz (old Connecticut, 1800's!)
Cheshire, New Haven Co., Connecticut
13.3 x 7.5 x 7.1 cm
Natrolite, Stilbite & Heulandite (2016 find)
Nashik District, Maharashtra, India
9.8 x 5.5 x 4.8 cm
Molybdenite (classic locale)
Kingsgate, Gough Co., New South Wales, Australia
7.5 x 4.6 x 3.3 cm