Sold2020Large DR Congo Natural Malachite Mineral SpecimenA very large cut mammillary malachite specimen. 1.1 kg, 12.1cm (4 3/4"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, BottleySee Sold Price
Sold2020DR Congo Natural Malachite Slice Mineral Specimen PairA pair of cut botryoidal malachite formation sections, one with some crystallisation. 686 grams total, 11.2-11.5cm (4 1/2"). From the historic ‘Victorian Museum’ or later collection of Gregory, BoSee Sold Price
Sold2021Rock, Crystal, Natural, Collectible, Mineral, SpecimenExtra Large Velvet Malachite Crystals Republic of Congo 1lb 13ozSee Sold Price
Sold2020DR Congo Malachite 'Face' Mineral Specimen GroupA group of three malachite pebbles, each with drilled and polished voids to reveal the banded eye-formations. 243 grams total, 37-39mm (1 1/2"). From the historic ‘Victorian Museum’ or later colleSee Sold Price
Sold2016Natural History - Malachite Mineral SpecimenA specimen of botryoidal malachite with a ground-in 'window' to reveal inner structure. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.184. 181 grams, 62mm (2 1/2"). From the historic ‘ViSee Sold Price
Sold2016Natural History - Polished Malachite Mineral SpecimenA group of ten one-off polished malachite mineral specimens of good quality malachite. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.184. 119 grams total, 25-46mm (1/4 - 1 3/4"). From theSee Sold Price
Sold2016Large Malachite Specimen, 1900 GramsNatural free-form malachite copper carbonate hydroxide mineral specimen with concave polished center surrounded by crystalline unpolished border, polished sides, unfinished raw stone bottom. Unmarked.See Sold Price
Sold2022Rock, Crystal, Natural, Collectible, Mineral, Specimen, MalachiteMalachite Mix Democratic Republic of Congo 8ozSee Sold Price
Sold2022Rock, Crystal, Natural, Collectible, Mineral, Specimen, Malachite, Polished, Rough, End CutMalachite Mix: Rough, End Cut, Polished Democratic Republic of Congo 13ozSee Sold Price
Sold2022Rock, Crystal, Natural, Collectible, Mineral, Specimen, Velvet MalachiteVelvet Malachite Democratic Republic of CongoSee Sold Price
Sold2016Large Malachite Free form Mineral SpecimenLarge malachite free form mineral specimen. One side polished, the other in it's natural state with applied carpet squares for scratch protection. 3 1/2" H x 10 1/2" W x 8" D. 20th century. ProvenanceSee Sold Price
Sold2016Natural History - Calcite Mineral Specimen.A large sheet of small, acicular calcite crystals on matrix. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.177. 725 grams, 22cm (8 3/4"). From the historic ‘Victorian Museum’See Sold Price
Sold2016Natural History - Large Aquamarine Mineral Specimen.A fine crystal of green aquamarine with transparent areas, flat, lustrous faces, and a pinacoidal termination, in old white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.290. 22See Sold Price
Sold2016Natural History - Quartz Crystal Mineral Specimen.A large, well-formed single crystal of rock crystal quartz. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.219. 752 grams, 14cm (5 1/2"). From the historic ‘Victorian Museum’ aSee Sold Price
Sold2019Large collection of mineral specimens, fossils, etc.A few noted items to include a piece of natural gold in quartz, uranium malachite, turquoise, fuchsite ruby, cavansite, and much more.See Sold Price
Sold2016Natural History - Chrysocolla Mineral Specimen.An unusual specimen of chrysocolla, the mineral coating malachite, itself a crust on a talc or serpentine matrix, in old white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.266.See Sold Price
Sold2022Mineral SpecimensMineral specimens including Republic of Congo malachite, olivine peridot crystals, smoky quartz and amethyst crystal cluster with calcite (Uruguay), aquamarine crystals rough stone, natural ruby in zoSee Sold Price
Sold2021Rock, Crystal, Natural, Collectible, Mineral, SpecimenMalachite with Bullseye Stalachtite Republic of Congo 2lb 7ozSee Sold Price
Sold2023Rock, Crystal, Natural, Collectible, Mineral, SpecimenMalachite Democratic Republic of Congo 4lb 2ozSee Sold Price
Sold2022Rock, Crystal, Natural, Collectible, Mineral, SpecimenMassive Malachite [Amazing on All Sides] Republic of Congo 8lb 6ozSee Sold Price
Sold2022Rock, Crystal, Natural, Collectible, Mineral, SpecimenChrysacola and Malachite Unique Dome Growth Specimen Republic of Congo 7ozSee Sold Price
Sold2022Rock, Crystal, Natural, Collectible, Mineral, SpecimenAmazing Velvet Malachite Republic of Congo 1.8ozSee Sold Price
Sold2022Rock, Crystal, Natural, Collectible, Mineral, SpecimenMalachite Republic of Congo 11ozSee Sold Price
Sold2021Rock, Crystal, Natural, Collectible, Mineral, SpecimenMalachite and Dark Blue Chrysacola Republic of Congo 1lb 12ozSee Sold Price
2024Mynt Auctions1999 Congo D.R. Gold 100 Franc Sir Henry Morton Stanley NGC PF70 Ultra CameoSee Sold Price
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