WEEKLY MINERAL & GEM AUCTIONS!

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This eclectic auction features many thumbnail specimens and pieces from the Jingnan (Tom) Zhang collection. Recent finds, worldwide classics, and rarities are highlighted. Many are species and localities you normally don't see in auctions.

We are proud to present a special auction from the collection of Dr. Jim Houran featuring unique, rare, and high-quality gemstones from various localities worldwide and in the United States. Some of these items are not only superb but are remarkably difficult to obtain in any capacity. You can see the care and attention to detail that went into assembling this collection. Do not miss out on the opportunity to get your hands on some special gems that would make tremendous additions to your personal gem collection. 

Dr. Jim Houran prepared a short essay to accompany this special gemstone auction. You can read it here: LINK

Mixed specimens this week include gem crystals, classic locales, fine display specimens and a selection of assorted piece from our inventory and collections we've purchased such as Rich Kosnar, Bill and Anne Cook, Chet Lemanski, Al Kidwell and more! Look for attractive higher value pieces this week, all starting at $10 reserve bids!

Some of the highlights from this week’s auction include:

1. Excellent apple green PYROMORPHITE specimen from China
2. Wonderful gemmy "phantom" FLUORITE specimen from the Okorusu Mine, Namibia
3. Classic and fine quality CARLSBAD TWIN AMAZONITE form Colorado (ex Brian Kosnar Collection)
4. Unique NATIVE COPPER included in GYPSUM from Arizona (ex Rich Kosnar Collection)
5. Superb LARGE "Faden" specimen from Pakistan (ex Rich Kosnar Collection)
6. Beautiful RHODOCHROSITE crystals on matrix from the Eagle Mine, Colorado
7. Fine matrix LEGRANDITE specimen from the Ojuela Mine, Mexico
8. Eye-catching twinned "STAR" MUSCOVITE from Brazil
9. A cool piece of beautiful lab-grown ROCHELLE SALT from Germany
10. Rarities include GRANDVIEWITE, WOODHOUSEITE and YUKONITE

Naturally water-worn Petoskey Stone (ex Jim Houran Collection)
Petoskey, Emmet Co., Michigan, USA
3.7 x 3.1 x 2.5 cm
Current Bid: $105
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Gem-quality Chlorastrolite (ex Jim Houran Collection)
Central mine, Central, Keweenaw Co., Michigan, USA
8.45 ct; 1.3 x 1.2 x 0.7 cm
Current Bid: $81
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Significant Gem Ludlamite (ex Jim Houran Collection)
Blackbird mine, Salmon, Lehmi Co., Idaho, USA
1.44 ct; 0.9 x 0.6 x 0.4 cm
Current Bid: $60
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Dendritic Chalcedony Quartz (ex Jim Houran Collection)
Miles City, Custer Co., Montana, USA
56.55 ct; 3.4 x 2.5 x 0.5 cm
Current Bid: $631
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Lake Superior Agate (ex Jim Houran Collection)
Wabasha, Minnesota, USA
211 ct; 4.2 x 2.8 x 2.7 cm
Current Bid: $91
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Unique Pennsylvania Smoky Quartz (ex Jim Houran Collection)
Sunny Brook Riverbead, Oreland, Montgomery Co., Pennsylvania, USA
9.34 ct; 1.6 x 1.4 x 0.9 cm
Current Bid: $121
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
rare Idaho Aquamarine (ex Jim Houran and Geary Murdock )
Sawtooth Mountains, Boise Co., Idaho, USA
6.69 ct; 1.3 x 1.2 x 0.8 cm
Current Bid: $532
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Museum-Size Rainbow Obsidian Gem (2 pieces )
Modoc National Forest, Warner Mtns., California, USA
670 ct; 6.4 x 4.2 x 4.1 cm
Current Bid: $576
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
rare Gem Veszeleyite (ex Jim Houran Collection)
Black Pine Mine, Philipsburg Mining Dist., Granite Co., Montana, USA
0.67 ct; 0.7 x 0.5 x 0.4 cm
Current Bid: $218
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Large faceted Red Cloud Wulfenite (ex Jim Houran Collection)
Red Cloud mine, Silver Mining Dist., La Paz Co., Arizona, USA
2.70 ct; 0.74 x 0.65 x 0.4 cm
Current Bid: $608
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
North Carolina Emerald (ex Jim Houran Collection)
Hiddenite area, Alexander Co., North Carolina, USA
2.22 ct; 0.8 x 0.7 x 0.5 cm
Current Bid: $260
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Rare Color ("Peach") Enstatite ex Jim Houran
Embilipitya, Sri Lanka
3.33 ct; 1.2 x 0.6 x 0.4 cm
Current Bid: $55
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Rare locale Fluorapatite ex Houran
Kenya
5.48 ct; 1.1 x 0.8 x 0.7 cm
Current Bid: $30
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Green African Oligoclase (ex Jim Houran Collection)
Kenya
5.60 ct; 1.2 x 1.0 x 0.8 cm
Current Bid: $80
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Australian Prehnite ex Houran
Wave Hill, Northern Territories, Australia
9.58 ct; 1.3 x 1.0 x 0.9 cm
Current Bid: $65
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Citrine Quartz - Natural Color! ex Houran coll.
Mansa District, Luapula Province, Zambia
8.51 ct; 1.5 x 0.9 x 0.8 cm
Current Bid: $85
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Rhodochrosite (circa 1980) ex Houran Collection
N'Chwaning Mine, Kalahari, South Africa
3.30 ct; 0.8 x 0.8 x 0.4 cm
Current Bid: $210
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Gem Quality Rutile ex Houran
Shigar area, Gilgit, Pakistan
2.17 ct; 0.9 x 0.5 x 0.3 cm
Current Bid: $71
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
African Vesuvianite ex Houran
Magadi, Kenya
4.14 ct; 1.0 x 0.7 x 0.7 cm
Current Bid: $47
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
American Moonstone (sanidine) Ex Houran coll.
Rabb Canyon, Grant Co., New Mexico, USA
4.5 x 3.8 x 2.7 cm
Current Bid: $30
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Copper-included Datolite (ex Kay Robertson, Jim Houran Collections)
Mass mine, Mass City, Ontonagon Co., Michigan, USA
29.90 ct; 1.9 x 1.9 x 1.4 cm
Current Bid: $159
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Award-Winning Wyoming Jade Carving (ex Jim Houran Collection)
Jefferson City area, Wyoming, USA
5.8 x 2.7 x 1.5 cm
Current Bid: $430
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Museum-Size Georgia Star Rose Quartz (ex Jim Houran Collection)
Hogg mine, La Grange, Troup Co., Georgia, USA
230 ct; 3.4 x 2.8 x 2.6 cm
Current Bid: $240
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Untreated American Turquoise (ex Jim Houran Collection)
Pilot Mountain, Tonopah area, Nevada, USA
166.55 ct; 4.3 x 3.8 x 1.3 cm
Current Bid: $140
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
"Special Pattern" Variscite (ex Jim Houran Collection)
Mina area, Mineral Co., Nevada, USA
118 ct; 4.7 x 3.5 x 0.9 cm
Current Bid: $88
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Fluorite (multi-color "phantom" crystals)
Okorusu Mine (Okarusu Mine), Otjiwarongo District, Otjozondjupa Region, Namibia
3.5 x 3.1 x 3.1 cm
Current Bid: $310
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Copper (unique ''leaf''-like specimen)
Corocoro District, Pacajes Province, La Paz, Bolivia
9.2 x 7.2 x 0.6 cm
Current Bid: $97
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Pyromorphite (fine color and quality)
Daoping Mine, Gongcheng, Guilin area, Guangxi Zhuang Autonomous Region, Central South Region, China
4.3 x 1.2 x 1.2 cm
Current Bid: $121
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Bournonite on grey Quartz
Viboras Mine, Machacamarca, Saavedra Province, Potosi, Bolivia
3.7 x 3.3 x 1.8 cm
Current Bid: $26
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)
Shattuckite (excellent quality)
Tantara Mine, Shinkolobwe, Kambove District, Haut-Katanga, DR Congo
7.2 x 5.2 x 2.8 cm
Current Bid: $83
Bidder: Private Bidder
Time Left:
Close Time: 08/11/2022 6:45:00 pm (CDT)