Two Natural History Specimens: Ammonite & Black

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.)

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

Cretaceous Period, 200-65 million years BP. Group comprising: a small ammonite, cut and polished in two halves, with two small fossil fish specimens, in matrix. 618 grams total, 3.2-14.7cm (1 1/4 - 5

Art by God, A Natural History Fossil Ammonite Specimen. This is a great pre historical conversation piece for the home or office. Museum quality and investment worthy. SHIPPINGHill Auction Gallery wil

Jurassic Period, 200-145 million years BP. A sawn and polished pair of ammonite halves from Madagascar, showing its inner chambered structure, in an old white card tray with label reading: 'AMMONITE,

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

Jurassic Period, 201-145 million years BP. A group of cut and polished ammonite halves revealing the inner chambers, two in old white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, U

Middle Jurassic, Inferior Oolite, Aalenian Stage, 170 million years BP. A group of two fossil ammonites on matrix, one Graphoceras sp. and the other possibly Leioceras sp., in old white card trays, on

Lot 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 surface

Natural 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 10

Natural 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 10

Jurassic Period, 199-145 million years BP. A sedimentary slate(?) matrix with two large examples of the psiloceras ammonite and numerous others. 28 kg, 75cm (29 1/2"). From an important London collect

Two specimens: natural Spanish pyrite crystal; together with opalescent ammonite; L: 4" (ammonite)

Cretaceous Period, Albian Stage, 113-100 million years BP. A group of two A-grade, cut and polished Cleoniceras sp. ammonites from Madagascar, polished through much of the shell to reveal the calcite

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

Dimension: 5mm-17mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian

A fine, polished slice of rhodonite with a classic mix of red and black. From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottle

Dimension: 6mm-15mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian

Dimension: 4mm-12mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian

Dimension: 5mm-18mm Natural History of Australian Opal & Mineral Auction by Thousand Planet Auction House featuring the beauty of Boulder Opal art in cabochon cutting and rough, well known Australian

A sawn block of red-brown sandstone, polished on two sides, with areas of precious opal diffracting light in primarily purples, blues and greens, in white card tray. See Bonewitz, Dr. Ronald Louis, Ro

350-100 million years BP. A group of ten British ammonites of mixed species, five accompanied by catalogue cards, two of which have Natural History Museum identification labels. 3.39 kg, 60-120mm (2 1

A natural history lot of two items. To include: One late nineteenth century picture frame faced with mineral specimens: 9" x 7.5" One late nineteenth century cased set of seven-two slides of insect an

Fossil Ammonite 1/2 Black Ammonite (Polished) Madagascar 7.2"