Iron Cross twin for this large specimen of Goethite pseudomorph after Pyrite. The Pyrite still appears on the edges in small golden touches. Beautiful shiny aspect due to the thin layer of Goethite that covers the Pyrite.4,80 x 4,50 x 4,40 cmReference : 1315
Well-defined emerald crystals and gems on white Calcite that offer a superb contrast of color. The Emerald is translucent and brilliant.1,40 x 1 x 0,70 cmReference : 1316
Fibrous malachite in mamelinated concretions on the front and small spheres of velvet luster set in a matrix of limonite providing a nice contrast. Piece of an uncommon locality !12 x 9 x 5,5 cm.Reference : 1914-LM2T
Polysynthetic manganocalcite sample with two main terminations.Quasi-floating part with a strong reaction to long UV rays.It comes from the Dalnegorsk Mining District, Dalnegorsk Urban District, Primorsky Krai, Russia.Weighing 89 grams, this specimen is 8.6 cm long, 3.3 cm wide and 3.1 cm...
Prehnite helmet, a classic for the species and the alpine mineralogy.It comes from La Combe de la Selle, St Christophe-en-Oisans, Bourg d'Oisans, Isère, Auvergne-Rhône-Alpes, France.This sample measures 2.9cm long by 2.3cm wide and 1.8cm thick.Measurements off base.Reference: 0734Additional...
Piece of blond spherosiderite on solid quartz, covered with a crystallization of calcite.Siderite from the Laguépie aggregate quarry, Montauban, Tarn-et-Garonne, Occitanie, France.It measures 10.7 cm long by 4.6 cm wide and 3 cm thick.Its weight is 147 grams.Light traces of contact.Reference:...
29 x 13 x 14 mm Réf : 0491
6,4 x 7,9 x 4,9 cm Cristal size : 20 x 7 mm Réf : 0478
7,9 x 7,5 x 6,3 cm Main cristal size : 20 x 7 mm Réf : 0479
8,2 x 8,4 x 5,7 cm Main crystal size : 15 x 8 x 6 mm Réf : 0480
15,8 x 10,7 x 6,8 cmMain crystal size : 53 x 14 x 14 mmRéf : 0481
15,7 x 11,4 x 5,8 cmRéf : 0482
7,4 x 5,7 x 4 cmMain crystal size : 11 x 12 x 10 mmRéf : 0483
5,2 x 4 x 4 cmMain crystal size : 12 x 6 mmRéf : 0484
7,2 x 4,2 x 4,1 cmRéf : 0485
