Natural History Agate Specimen

Large agate geode cross section slice with a smooth high mirror polished finish. OOAK ( one of a kind ) color variations and design patterns seen in this example. Accompanied with a clear plastic stan

A polished three-sided 'pyramid' of lace agate with numerous twists and swirls picked out in various shades of white and green, the base unpolished to expose the patterns in the raw stone. See Bonewit

Dimension: 12x7.5cm 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

Natural History / Geology Interest: A quantity of polished hardstone specimen spheres, examples to include agate, quartz, lapis lazuli, etc. Balls approx. 1 1/2" diameter Please Note - we do not make

Natural history mineral specimens including rock crystal, rose quartz, agates, and geodes. Largest: 3" H X 33.5" W.

A fine specimen of apophyllite with a sheet of smaller crystals on a thin agate base, and a well-formed and attractive cluster standing up from the base, from Maharashata, India. Found Maharashata, In

Comprising: popcorn quartz, amethyst, agate, smoky quartz, brown obsidian, citrine, pyrite, 'desert rose', and others. 823 grams total, 23-81 mm (7/8 - 3 1/8 in.). Ex Mineral Imports, London, UK.Grego

Comprising: haematite, quartz, amethyst, aventurine, agate, dalmatian jasper and others. 793 grams total, 18-33 mm (3/4 - 1 1/4 in.). Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's

A group of ten acrylic display domes, each filled with a quantity of polished specimens of a single mineral, comprising of sodalite, green agate, snowflake obsidian, leopardskin stone, tiger-eye, brec

Natural Agate Specimen Carved as a Bowl. Measures 12 inches in diameter. Property of a Bedford, New York estate.

A sphere cut from an agate geode with a quartz crystal filling, the crystal terminations outlined by another mineral, probably hematite, with antique turned wood base. From the historic ‘Victorian M

Natural Agate Specimen Carved as a Plate. Measures 12 inches in diameter. Property of a Bedford, New York estate.

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.)

A group of two necklaces of spherical and oblate banded agate beads with gold-coloured metal spacer beads and clasp. 82 grams total, 36-56cm (14 - 22"). Property of a London gentleman; acquired from h

20th century AD. A group of turned and polished agate disc counters, each with a chamfered edge. 217 grams total, 38-39mm (1 1/2"). Property of a Hampshire collector; from Mexico. [13, No Reserve]

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

Figural Padlock Form Necklace Pendant W Agate Cat. Hallmarked SILVER. Set with natural agate specimen. Front is engraved with a cat's face and set with art glass eyes, back with banded agate cabochon.

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