Natural History - British Bornite Specimen

Two 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 q

A fine specimen of mauve fluorite crystals over an orange-brown matrix surface. 530 grams, 10cm (4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; from Blackdene Mine, Weardale, UK, suppli

. the large pebble with iridescent dark purple surfaces with small areas of blue and brown. 189 grams, 54 mm (2 in.). Collected in person from various parts of the world mainly between 1957-1966. From

Jurassic Period, circa 200-190 million years B.P.. The matrix with two Dactylioceras tenuicostatum fossil ammonite specimens. 1.6 kg, 14 cm (5 1/2 in.). From the Holderness Coast, Yorkshire, UK. [No R

Carboniferous Period, circa 310 million years B.P. A group of three fern specimens including Alethopteris sp. and Sphenopteris laurenti. 281 grams total, 76-87 mm (3 - 3 3/8 in.). From the Middle Coal

. Comprising: anhydrate drilled core from Bahrain; an iridescent blue bornite; a rectangular cut wulfenite specimen; drilled calcite core; a polished red jasper slab found near Dunnotar Castle beach,

Middle Jurassic Period, 174-163 million years BP. A Clypeus ploti sea urchin fossil from Cheltemham, Gloucestershire, UK; small collector's information sticker to the base. 201 grams, 80mm (3 1/4"). F

1844 BUTTERFLY Natural History British Butterflies Duncan Color Illustrated ART James Duncan was a 19th-century Scottish naturalist most known for his work in entomology in natural history, including

1840 BUTTERFLY Art Natural History British Butterflies Duncan Color Illustrated James Duncan was a 19th-century Scottish naturalist most known for his work in entomology in natural history, including

Two 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.)

Carboniferous-Cretaceous Period, circa 305-113 million years B.P.. Comprising a mixed group of eight fossils in eight card trays, different species and types including: Rugose Coral from Toddington, D

Pleistocene, 1 million years BP. A group of three Bison bonasus bison vertebrae; mounted on a custom-made display stand. 869 grams, 33cm wide including stand (13"). From an old Bristol palaeontologica

A fine example of specular haematite surmounted by a double-terminated smoky quartz crystal, on botryoidal haematite, from the classic Cumbria, UK, locality; in old white card tray with old Gregory, B

Various 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 turtle

Six Natural History SpecimensGroup of six various natural history specimens: four petrified wood pieces, stromatolite slice and orthoceras plaque; L: 11 3/4" (longest)

23 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 o

8 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 co

23 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 o

Collection 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 Hall

Collection 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 Hall

5 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, miner

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 of

Collection 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 coll

6 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, mi