Legrandite - Ojuela mine, Mapimi, Durango, Mexico
Rare group of well-formed crystals of legrandite (arsenic mineral) with a very airy architecture. 3,5 x 1,5 x 5 cm. Reference : 1494-LM2T
Rare group of well-formed crystals of legrandite (arsenic mineral) with a very airy architecture. 3,5 x 1,5 x 5 cm. Reference : 1494-LM2T
Rare quartz gwindel half-closed (or "demi-sucre"), slightly chloritic but well translucent, from a discovery in the Argentiere Basin in 2009, reported in Règne Minéral n°103. 4 x 3,8 x 1,5 cm.Reference : 1484-LM2T
Exceptional specimen composed of a grouping of well shaped tetrahedrite crystals pseudomorphosed into malachite and azurite, the latter, of a superb royal blue, presenting a nice spherical microcrystallization glittering on the surface. The main crystal of tetrahedrite measures 2.4 cm in edge....
Bright black tourmaline veneer, with fibroradial critallisation. The piece presents well. 12 x 7 x 2 cm. Reference : 1430-LM2T
Group of black tourmaline (schorl) crystals, some perfectly terminated, with a nice brilliance, and associated with muscovite sheets and some garnets on the back of the specimen. 6,5 x 2 x 2 cm. Reference : 1334-LM2T
Matrix opal with multiple color reflections, with a dominance of red and green. 3,2 x 2,7 x 1 cm. Reference : 1333-LM2T
Complete, bright, and intact cerussite crystal with a main face rich in relief. The darker areas react strongly to Uvs.2,5 x 2 x 2 cm.Reference : 1324-LM2T
! Very small piece ! Very fine amethyst, brilliant, intact, speckled with hematite, and coming from Karur in India. 1,8 x 0,3 x 03 cm. Reference : 1273-LM2T
Crystal of olivine, pole forsterite, called "peridot", showing some fine black needles in inclusion (ludwigite ?). The quality is insufficient for the size, but it is nevertheless a very correct crystal for the collection. 2 x 1,2 x 0,5 cm. Reference : 1269-LM2T
Very bright brown vesuvianite crystals contrasting with some small white calcite crystals. 3 x 3 x 1,5 cm. Reference : 1268-LM2T
Floating single crystal of zunyite, perfectly formed, with hematite inclusions. It comes from the 2018 discovery in Iran, having highlighted the existence of zunyite crystals larger than a few millimeters, maximum size known until then. This one measures 1.1 cm of edge. 1,1 x 1,1 x 1,1 cm....
Single crystal of brown to green epidote of good quality.4,5 x 1 x 1 cm.Reference : 1225-LM2T
Numerous well formed anatases, shiny, without shock, on quarteous gangue, accompanied by some small chlorite quarters on the back of the piece (see video). Longest anatase : 7 mm. Thickest: 5 mm. 14,5 x 7,5 x 2,5 cm. Reference : 1215-LM2T
Specimen composed of numerous native silver dendrites on calcite matrix. The native silver is highlighted thanks to an acid clearing (the latter is neutralized). 7 x 4,5 x 4 cm. Reference : 1182-LM2T
The main crystal (4.5 cm), smoked with a nice purple ghost, stands in the middle of a geode composed of quartz, calcite and analcime. On the amethyst is associated a small but rare single crystal of prehnite. This piece has a very nice brilliance without any damage. 10 x 10 x 7 cm. Reference :...
Nice little brilliant quartz from Ploemeur. 3,5 x 2 x 2 cm. Reference : 1067-LM2T
Brilliant crystal of zunyite with truncated edges and hematite inclusion. 1,2 x 1,2 x 1,2 cm. Reference : 1001-LM2T
Colorless hexagonal calcite with relatively thick petals and shiny surfaces, from a recent discovery in the large Ojuela mine in Mexico. Colorless lamellae of hemimorphite are also present, as well as very shiny gray/brown microcrystals in small rhombohedrons (supposed smithsonite, analysis to...
Rare association between mineralogy and paleontology. Andalusite crystal of 3 cm; trilobite (incomplete): 2 cm. 8,5 x 5 x 2 cm. Reference : 0936-LM2T
Crystal : 1,7 cm. Ex-Leduc collection. 7,5 x 3 x 3 cm. Reference : 0934-LM2T