Specimen having undergone two phases of replacement: Anhydrite was replaced by Malachite, then Malachite by Chrysocolla. The surface is encrusted with colorless Quartz crystals that provide an incredible shine to the piece. Specimen from Tenke-Fugurume, DR Congo.8,50 x 5,50 x 4,40 cmReference : 4376
Perimorphosis of Quartz after Calcite from the Juliette vein in Ardeche, France. The structure of calcite is remarkably preserved, replaced by quartz with a beautiful shine. Hollow piece, the Calcite no longer exists, only the Quartz are present and have 3 x 1,50 x 2,10 cmReference : 4377
Rare and splendid limpid and lustrous Amethyst Quartz from Karur in India. The crystals are perfectly formed and are incredibly clear. Presence of Hematite inclusions in a few places, typical of the locality.4,50 x 3,10 x 2,30 cmReference : 4378
Numerous crystals of Kyanite very well formed and presenting an intense and electric blue color, on and in Quartz matrix which brings even more brilliance and luminosity to the specimen. Piece from Sao Jose da Safira in Brazil.11,10 x 5,70 x 3,30 cmReference : 4379
Superb intense dark green botryoidal malachite crystals, on matrix, from the Mindingi mine in DR Congo.3,20 x 2,70 x 2,10 cmReference : 4381
Finished smoky quartz and bitermined associated with large Hematite petals at the base of the piece. Specimen from Rochassiers, Mont Blanc, France.7,70 x 7,90 x 4 cmReference : 4383
Numerous blue fluorite cubes of a well-pronounced color on Quartz. Specimen from the Yaogangxian mine in China.7,90 x 6 x 2,80 cmReference : 4384
Cerusite crystal, black as if cast, associated with white Cerussite crystals that contrast the whole. All the crystals are perfectly formed. Rare specimen from MFouati in DR Congo.9 x 5,30 x 6 cmReference : 4385
Perimorphosis of Quartz after Calcite from the Juliette vein in Ardeche, France. The structure of calcite is remarkably preserved, replaced by quartz with a beautiful shine. Hollow piece, the Calcite no longer exists, only the Quartz are present and have 4,40 x 2,70 x 2,70 cmReference : 4386
Numerous crystals of Kyanite very well formed and presenting an intense and electric blue color, on and in Quartz matrix which brings even more brilliance and luminosity to the specimen. Piece from Sao Jose da Safira in Brazil.10,10 x 6,80 x 4,70 cmReference : 4387
Dark red crystals of Rhodochrosite on Manganite which offers a superb color contrast. Specimen from the Moanda mine in Gabon.7,50 x 5,30 x 4,20 cmReference : 4388
Specimen of double-generation Calcite on matrix from the Xia Yang mine in China. We can see the crystallization steps easily on this piece. The first generation is formed by flat-ended hexagonal crystals of brown calcite, then the second generation of colorless calcite also completed. The...
Smoky Quartz associated with crystals of Epidote, all on matrix, coming from Mont Blanc, France.3,70 x 5,40 x 4,30 cmReference : 4390
Huge crystals, partly pseudomorphosed in Malachite, of Azurite from the famous Tsumeb mine in Namibia. The largest crystal measures 6.50 x 1.90 cm! They are perfectly formed and finished. The edges are thick and sharp. Superb specimen of Azurite from Namibia.7,60 x 5,10 x 6 cmReference : 4391
Shiny black Hematite crystals and Quartz on extremely glossy red Chalcedony from Saphoz in France.3,20 x 6 x 5,80 cmReference : 4392
Crystals of gemmy Vivianite and blue green color on matrix. The largest crystal measures 1.30 x 0.90 cm. Biterminated crystals of superb quality.6,80 x 6,80 x 4 cmReference : 4393
Perimorphosis of Quartz after Calcite from the Juliette vein in Ardeche, France. The structure of calcite is remarkably preserved, replaced by quartz with a beautiful shine. Hollow piece, the Calcite no longer exists, only the Quartz are present and have 2,90 x 1,50 x 2,20 cmReference : 4396
Thick and clear smoky quartz from the Rochassiers in Mont-Blanc, France.3,70 x 3,70 x 3,50 cmReference : 4398
Uncommon piece of Skutterudite with Calcite from Morocco! The crystals are very well formed and have a beautiful metallic silver shine and color.5,20 x 7,30 x 4,40 cmReference : 4399
Dark pink Rhodochrosite crystals that completely cover the matrix. They form small crystallized flowers. Association with small crystals of Galena on the underside of the piece. Specimen from Raura in Peru.9,10 x 7,30 x 6,30 cmReference : 4400
White Baryte pompoms, very bright and well formed, associated with Sphalerite in very dark red orange crystals from the Cedres in France.15,20 x 9,40 x 7,20 cmReference : 4402
Set orange gypsum crystals from Swan Hill in Australia.9,90 x 6,10 x 4,90 cmReference : 4403
Black schorl on slightly smoky quartz from Paprok in Afghanistan.4,70 x 7,30 x 4,40 cmReference : 4404
