A SAMPLER OF SELECTED 2017 BMC AUCTION SPECIMENS (2017 Auction Date is Saturday, 21 January) Volume 4
Fluorapatite [Ca 5 (PO 4 ) 3 F] Wilberforce area Haliburton Co. Ontario, Canada 18.8 x 8.2 x 7.2 cm 1238 g Donated by Steve Gerome Crystal System: Hexagonal Physical Properties Transparency: Transparent to Opaque Mohs hardness: 5 Density: 3.1-3.2 gm/cm 3 Streak: White Luster: Vitreous - Resinous
Calcite [CaCO 3 ] Chenzhou Prefecture Hunan Province China 9.3 x 7.6 x 6.2 cm 1772 g with stand Consigned by Steve Gerome Calcite Crystal System: trigonal Physical Properties Transparency: transparent, translucent Mohs hardness: 3 Density: 2.71 gm/cm 3 Streak: white Luster: Vitreous, Sub-Vitreous, Resinous, Waxy, Pearly
Fluorite [CaF 2 ] Harris Creek Sub-District Illinois-Kentucky Fluorspar District Hardin Co., IL 12.8 x 6.9 x 6.0 cm 567 g Donated by Steve Gerome Fluorite Crystal System: Isometric Physical Properties Transparency: Transparent Mohs hardness: 4 Density: 3.18-3.56 gm/cm 3 Streak: White Luster: Vitreous, Dull
Calcite [CaCO 3 ] Leiping Mine Leiping, Guiyang Co. Chenzhou Prefecture Hunan Province, China 14.0 x 6.9 x 6.3 cm 781 g with stand Consigned by Steve Gerome
Hematite [Fe 3+ 2O 3 ] Thomas Range Juab Co. Utah 15.0 x 9.2 x 7.3 cm 665 g Donated by Barbara Liebman Crystal System: Trigonal Physical Properties Transparency: Subtranslucent to opaque Mohs hardness: 6.5 Density: 5.3 gm/cm 3 Streak: reddish brown Luster: Metallic
Fluorite xl. (polished) [CaF 2 ] Pakistan 4.7 x 4.2 x 1.3 cm 52 g Donated by Mike Shih
Agatized Coral Florida 16.7 x 14.9 x 1.5 cm 879 g with stand Donated by Whitney s Rocks to Gems
Fluorite [CaF 2 ] & Calcite [CaCO 3 ] 12.4 x 8.7 x 6.6 cm 1006 g with stand Huanggang Fe-Sn deposit (Huanggangliang Mine; Huanggang Mine) Hexigten Banner Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region Donated by Steve Gerome
Calcite [CaCO 3 ] Xianghualing Snpolymetallic ore field Linwu Co. Chenzhou Prefecture Hunan Province, China 18.6 x 17.7 x 8.8 cm 1764 g with stand Donated by Steve Gerome
Calcite [CaCO 3 ] Tri-State District Kansas/Oklahoma/Missouri 19.2 x 8.9 x 8.2 cm Donated by Mike Haritos
Quartz xls. [SiO2] Hot Springs, Arkansas 10.0 x 9.5 x 6.5 cm 291 g Consigned by Nancy Giacomozzi
Amethyst Sphere [SiO2] 6 cm diameter 312 g Consigned by Nancy Giacomozzi
Polished Agate [SiO2] Minas Gerais Brazil 8.0 x 5.0 x 3.0 cm 226 g Consigned with reserve by Nancy Giacomozzi
Makita Gas Powered Rock Saw Portable Makita Saw Runs on 50:1 gas oil mixture Includes Two 14 diamond blades (one never used) Dust mask with filters 4 chisels, 3 steel wedges Spare air filters and spark plug Adjustment tools Owners manual Last used Oct 2016 @ Walworth quarry Consigned with reserve by Nathan Martin Photograph by Nathan Martin
A lot of Fossil Gastropods 9 Gastropods of various species Donated by Chris Buerkle
Native American Artifact Indian Tomahawk Possibly New York 10.5 x 6.0 x 3.8 cm 452 g Ex Levison Collection Donated by Well Arranged Molecules Photographed by Mike Haritos
Malachite [Cu 2 (CO 3 )(OH) 2 ] on Quartz El Cobre Mun. de Concepción del Oro Zacatecas, Mexico 9.7 x 6.0 x 3.3 cm 256 g Donated by Well Arranged Molecules Photographed by Mike Haritos
Rare MA Copper Crystals Mill River Williamsburgh Hampshire Co. MA. Micro xls., < 1 g MinDat lists 4 other MA copper localities - No photos and no mention of xls. This is a truly rare specimen. Donated by Well Arranged Molecules Photographed by Mike Haritos
Augelite [Al 2 (PO 4 )(OH) 3 ] Ortega Mine Nundo Nuevo Huamachuco La Libertad Dept. Peru 5.2 x 4.0 x 3.5 cm 82 g Donated by Well Arranged Molecules Photographed by Mike Haritos
Petalite [LiAlSi 4 O 10 ] Bolton Worcester Co. MA 7.3 x 3.6 x 3.0 cm 61 g Ex. Levison Collection Donated by Well Arranged Molecules Photographed by Mike Haritos
Quartz [Si0 2 ] with Faden Waziristan Fata Pakistan 9.0 x 1.3 x 0.6 cm 21 g with stand Donated by Well Arranged Molecules Faden quartz: usually a tabular group of quartz crystals with a white thread-like or string-like zone running through the interior. The term faden is a German word for thread. See R. Peter Richards (1990) "The Origin of Faden Quartz" Mineralogical Record v21 pp 191-201 Photographed by Mike Haritos