A 30 piece set with a mix of worldwide minerals including gem crystals, rarities, unusual pieces, classics and display specimens.  Many specimens this week from the newly acquired collection of David Burgess.  
Gold on Quartz (ex Richard A. Kosnar Collection)
Glory Hole (Patch Mine), above Central City, Gilpin County, Colorado
1.1 x 0.6 x 0.4 cm
Winning Bidder: gorski
Opal (highly colorful) (5.02 carats)
Tsehay Mewcha, Wegeltena, Delanta, Wello (Wollo), Afar Province, Ethiopia
1.4 x 0.7 x 0.7 cm
Winning Bidder: katier9878
Aquamarine and white Beryl (interesting bi-colored crystals)
Baha, Braldu Valley, Skardu District, Baltistan, Gilgit-Baltistan (Northern Areas), Pakistan
6.3 x 4.7 x 4.5 cm
Winning Bidder: ENH
Cassiterite (gemmy cyclic twins) with rare TOURMALINE association
Viloco Mine, Loayza Province, La Paz Department, Bolivia
6.3 x 3.3 x 2.1 cm
Winning Bidder: karose1
Fluorite (rare locality specimen - 2017 find)
Koh-i-Maran, Kalat District, Balochistan (Baluchistan), Pakistan
8.1 x 5.3 x 5.2 cm
Winning Bidder: paulcon
Scheelite on Fluorite
Dongshan Mine, Xianghualing Sn-polymetallic ore field, Linwu Co., Chenzhou, Hunan, China
6.3 x 5.3 x 4.3 cm
Winning Bidder: karose1
Topaz (GEM quality) (ex David Burgess Collection)
Katlang, Mardan District, Khyber Pakhtunkhwa (North-West Frontier Province), Pakistan
4.2 x 3.8 x 2.3 cm
Winning Bidder: micromount1
Silver ('Spinel Twin')
Elura Mine (Endeavor Mine), Cobar, Robinson Co., New South Wales, Australia
3.3 x 0.6 x 0.3 cm
Winning Bidder: tblackwood1
Fluorite with Galena on Sphalerite (ex Ross Lillie)
Denton Mine, Ozark-Mahoning Group, Hardin County, Illinois
9.7 x 6.7 x 6.3 cm
Winning Bidder: biff
Calcite (rare locality specimen) (ex David Burges Collection)
West Roxbury Crushed Stone Quarry, West Roxbury, Suffolk County, Massachusetts
6.3 x 3.7 x 3.4 cm
Winning Bidder: cookieman
Calcite (ex Willard Wulff Collection)
Picher Field, Tri-State District, Ottawa County, Oklahoma
2.8 x 2.6 x 1.4 cm
Winning Bidder: karose1
Fluorvesuvianite (incredibly rare) (great color)
North Waziristan, Federally Administered Tribal Areas (FATA), Pakistan
0.8 x 0.7 x 0.4 cm
Winning Bidder: i like rocks
Cerro Warihuyn (Huarihuyn), Miraflores, Huamalíes Province, Huánuco Department, Peru
10.1 x 7.7 x 7.5 cm
Winning Bidder: miguelc
Diaspore (rare color)
Möng Hsu (Monghsu; Maing Hsu), Loilem District (Loilen District), Shan State, Myanmar
0.9 x 0.7 x 0.2 cm
Winning Bidder: katier9878
Navajun, La Rioja, Spain
4.3 x 3.8 x 3.5 cm
Winning Bidder: katier9878
Amethyst (scepters) with Calcite* (*Calcite is rare from Bolivia)
Bombori, Potosi Department, Bolivia
4.7 x 333 x 1.7 cm
Winning Bidder: tblackwood1
Quartz (var: Jacinto de Compostela Quartz) (ex David Burgess Collection)
Chella, Valencia, Valencian Community, Spain
3.3 x 2.2 x 1.7 cm
Winning Bidder: aewalker1969
Anglesite (unusual rare habit) (ex David Burgess Collection)
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
4.7 x 3.5 x 0.9 cm
Winning Bidder: br651767
Brucite (attractive color)
Killa Saifullah, Balochistan, Pakistan
5.7 x 5.2 x 2.5 cm
Winning Bidder: tmr
Titanite with 'Chlorite' on Albite
Arondu, Basha Valley, Skardu district, Baltistan, Gilgit-Baltistan, Pakistan
5.7 x 5.4 x 5.3 cm
Winning Bidder: katier9878
Dolomite (GEM twins) on Fuchsite
Pomba pit, Serra das Eguas, Brumado, Bahia, Brazil
4.7 x 3.6 x 3.3 cm
Winning Bidder: castun
Azurite with Malachite
Milpillas Mine, Cuitaca, Mun. de Cananea, Sonora, Mexico
3.7 x 2.6 x 1.3 cm
Winning Bidder: mineralfox24
Quartz (rare locality specimen) (ex David Burgess Collection)
Willington, Tolland County, Connecticut
5.7 x 4.4 x 3.3 cm
Winning Bidder: usrox
Quartz ("Strawberry" and Smoky scepter)
Andilamena Quartz Quarries, Andranotokana Massif, Andilamena, Alaotra-Mangoro, Madagascar
2.4 x 1.4 x 1.1 cm
Winning Bidder: katier9878
Goethite (great quality) with 'Onegite'
Dreamtime Mine, Crystal Peak area, Teller County, Colorado
5.0 x 3.8 x 2.7 cm
Winning Bidder: karose1
Aragonite (fine cyclic twins) with Sulfur (ex David Burgess Collection)
Cianciana Mines, Cianciana, Agrigento Province (Girgenti Province), Sicily, Italy
9.8 x 7.8 x 2.8 cm
Winning Bidder: hiawatha
Ferberite with Muscovite (ex David Burgess Collection)
Panasqueira, Covilha, Castelo Branco District, Portugal
9.2 x 6.7 x 3.6 cm
Winning Bidder: weloganites
Pseudoboleite (very rare) with (ex David Burgess Collection)
Santa Catalina Mine, Caracoles, Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile
7.8 x 4.3 x 4.3 cm
Winning Bidder: weloganites
Krohnkite (very rare) (ex David Burgess Collection)
Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta Region, Chile (Type Locality)
2.7 x 2.4 x 2.3 cm
Winning Bidder: weloganites
Grandidierite (extremely rare) (ex David Burgess Collection)
Cap Andrahomana, Analapatsy Commune, Taolanaro District (Fort Dauphin), Anosy Region (Fort Dauphin Region), Tulear Province (Toliara), Madagascar (Type Locality)
2.7 x 2.2 x 0.9 cm
Winning Bidder: katier9878