Sold2018Group of Six Natural History SpecimensVarious locations, c. 20th century; A framed taxidermy mount of a fruit bat (Rousettus Leschenaulti); skin of a Gila Monster; skull of a Muntjac; set of jaws from a large Ray (Guitar Fish); two turtleSee Sold Price
Sold2016Six Natural History SpecimensSix Natural History SpecimensGroup of six various natural history specimens: four petrified wood pieces, stromatolite slice and orthoceras plaque; L: 11 3/4" (longest)See Sold Price
Sold2016Natural History - Polished Gemstone Egg Specimen GroupA group of six polished gemstone eggs including: marble, jasper, fossiliferous limestone, etc. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); forSee Sold Price
Sold2016Two Natural History Specimens: Ammonite & BlackTwo natural history items, including: Placenticeras ammonite fossil, unearthed near Wasta, South Dakota; together with black tourmaline and quartz specimen; L: 11 1/4" (larger, approx.)See Sold Price
Sold202335 Natural Red Copper Specimens from Arizona.35 pieces of Copper from Arizona. Coppery red native copper in interesting shapes from Arizona. Natural History Specimen. Lot also includes a bag of copper in Selenite from Arizona. From the estate ofSee Sold Price
Sold20236 Angel Wing Calcite from Durango Mexico6 Angel Wing Calcite crystal rocks from Durango Mexico. 6 Natural History Specimens. Largest 8" x 5" x 3.5" From the estate of Frank Hall owner of Dover Scientific and collector of rocks, crystals, miSee Sold Price
Sold202323 Blue Fluorite from New Mexico23 Blue Fluorite crystal rocks from New Mexico. 2 Larger crystals and 21 Smaller. Natural History Specimen. Largest 6" x 7" x 4" From the estate of Frank Hall owner of Dover Scientific and collector oSee Sold Price
Sold20238 Wavellite Pale Green Crystals On Matrix Arkansas8 Wavellite Pale Green hemispherical crystal rocks on Matrix from Arkansas. Natural History Specimen. Waverlite. Largest 7.5" x 6.5" x 3" From the estate of Frank Hall owner of Dover Scientific and coSee Sold Price
Sold202323 Blue Fluorite from New Mexico23 Blue Fluorite crystal rocks from New Mexico. 2 Larger crystals and 21 Smaller. Natural History Specimen. Largest 6" x 7" x 4" From the estate of Frank Hall owner of Dover Scientific and collector oSee Sold Price
Sold202318 Pink and White Halite Salt Crystals from MexicoCollection of 18 Pink Pastel Halite Gems - Pink cubic Rock Salt Crystals. Natural History Specimen. Please Note: Water will dissolve Halite Crystals. Largest is 5.5" long From the estate of Frank HallSee Sold Price
Sold202318 Pink and White Halite Salt Crystals from MexicoCollection of 18 Pink Pastel Halite Gems - Pink cubic Rock Salt Crystals. Natural History Specimen. Please Note: Water will dissolve Halite Crystals. Largest is 5.5" long From the estate of Frank HallSee Sold Price
Sold20235 Sylvite Imperial California Orange Salt Crystals5 Sylvite Orange Salt Crystals from Imperial, California. Natural History Specimen. Largest is 8.5" x 7" From the estate of Frank Hall owner of Dover Scientific and collector of rocks, crystals, minerSee Sold Price
Sold202312 Hemimorphite White Crystals on Rust MexicoCollection of 12 Hemimorphite rock crystals. Natural History Specimen. White crystals on rust colored matrix from Mexico. Largest 6.25" From the estate of Frank Hall owner of Dover Scientific and collSee Sold Price
Sold2017Natural History Mineral Specimens- 16 PiecesNatural history mineral specimens including rock crystal, rose quartz, agates, and geodes. Largest: 3" H X 33.5" W.See Sold Price
Sold20232 Natural History Fossil Specimen in Stone MatrixLot of two natural specimen fossils encased in stone matrix. Measure from 1/4" - 3 3/4" in height x 4 1/4" - 5" in length. No apparent markings. Condition: Good overall condition having normal surfaceSee Sold Price
Sold2017Natural History - Mineral Specimen Group. A mixed group comprising: a galena block from Spain; a celestina block from Sicily; a large scalenahedral calcite crystal from Rumania; a block of cubic octahedral pyrite from Peru. 948 grams total,See Sold Price
Sold2015Natural History - Sphalerite Specimen. A sphalerite mineral specimen from Northumberland in an old collector's card tray. 820 grams, 13.5cm (5 1/4"). Property of a Lincolnshire, UK, gentleman; acquired on the UK art market. [No Reserve]See Sold Price
Sold2023Brazilian Carved Lapidary Sculpture of BirdsNatural history mineral specimen of toucans with gilt metal feet, perched on a rock, with stolomite, amethyst, obsidian and other stones. On black dolomite base, retailed by Amsterdam Sauer. [10 x 10See Sold Price
Sold2023Brazilian Carved Lapidary Sculpture of BirdsNatural history mineral specimen of toucans with gilt metal feet, perched on a rock, with stolomite, amethyst, obsidian and other stones. On black dolomite base, retailed by Amsterdam Sauer. [10 x 10See Sold Price
Sold2023Natural History - Polished Mineral Specimen GroupA mixed group of 50 polished mineral specimens of various types, including haematite, quartz, red jasper, unakite, angelite, and others. 1.19 kg total, 27-44 mm (1 - 1 3/4 in.). Mineral Imports, LondoSee Sold Price
Sold2019Natural History - British Fluorite SpecimensTwo fluorite specimens, one displaying a matrix free, cloudy-transparent, deep green coloured crystal with bruising to one quoin, the second exhibiting pale mauve cubic crystals over white prismatic qSee Sold Price
Sold2023Bonhams 1993, Natural History and Ethnographic SpecimensBonhams 1993, Natural History and Ethnographic Specimens Bonhams, London (15.09.1993) 141 g CHF 20 / 40See Sold Price
Sold2017Natural History - Stigmaria Fossil Specimen GroupCarboniferous, 359-299 million tears BP. A group consisting of four specimens of stigmaria, the roots of coal forest lycopsid trees such as Sigillaria and Lepidodendron, each with paper label attachedSee Sold Price
Sold2023Natural History - Quartz Crystal Specimen GroupA group of 50 quartz crystal specimens including clear examples with points. 1.67 kg total, 27-87 mm (1 - 3 3/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]See Sold Price
3 hrs LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of polished hardstone specimens, possibly Amazonite.£20
3 hrs LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of amethyst hardstone specimens / geodes. Largest£30
3 hrs LeftClaydon Auctioneers LtdNatural History / Geology Interest: A quantity of assorted hardstone specimens examples to include£40