Large DR Congo Natural Malachite Mineral Specimen

A 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, Bottley

A 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, Bo

Extra Large Velvet Malachite Crystals Republic of Congo 1lb 13oz

A 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 colle

A 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 ‘Vi

A 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 the

Natural free-form malachite copper carbonate hydroxide mineral specimen with concave polished center surrounded by crystalline unpolished border, polished sides, unfinished raw stone bottom. Unmarked.

Malachite Mix Democratic Republic of Congo 8oz

Malachite Mix: Rough, End Cut, Polished Democratic Republic of Congo 13oz

Velvet Malachite Democratic Republic of Congo

Large 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. Provenance

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’

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. 22

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’ a

A few noted items to include a piece of natural gold in quartz, uranium malachite, turquoise, fuchsite ruby, cavansite, and much more.

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.

Mineral 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 zo

Malachite with Bullseye Stalachtite Republic of Congo 2lb 7oz

Malachite Democratic Republic of Congo 4lb 2oz

Massive Malachite [Amazing on All Sides] Republic of Congo 8lb 6oz

Chrysacola and Malachite Unique Dome Growth Specimen Republic of Congo 7oz

Amazing Velvet Malachite Republic of Congo 1.8oz

Malachite Republic of Congo 11oz

Malachite and Dark Blue Chrysacola Republic of Congo 1lb 12oz