Gypsum (rose des sables) - Capestang, Hérault, France
Lovely small, well-formed sand rose from the Hérault region of...
Lovely small, well-formed sand rose from the Hérault region of...
Aerinite veneer from Saint Pandelon in the Landes region of...
Very bright pyrite on matrix. Sample from the Arignac gypsum...
Bright black dravite crystals accompanied by a few iridescent...
Incomplete black tourmaline in quartz from Ploubalay,...
Large piece of white barite pompons from the Malines mine in...
A nicely contrasting matte surface for this chalcedony...
Half-geode of white mamelonned chalcedony, from the Charroux...
Blue to beige mamelony chalcedony half-geode from the Charroux...
Group of translucent gypsum crystals from the Angervilliers...
Bright, translucent faden quartz from La Table in Savoie,...
Pyrite pseudomorphosed into goethite from Agos-Vidalos in the...
Botryoidal amethyst nicknamed “cluster chalcedony” or “cluster...
Turquoise-blue aurichalcite under colorless calcite crystals...
Piece composed of numerous small, bright dioptase crystals.3 x...
Piece composed of numerous small, bright dioptase crystals.3 x...
Bright orange-red crocoite crystals on limonite matrix.5.5 x 3...
Quartz combined with long black tourmaline baguettes. The...
Airborne specimen of lightly amethysted quartz from Veracruz,...
Pyrite cubes of superb brilliance and very good condition,...
Small red spinel octahedrons on white marble matrix.11 x 5 x 4...
Bright yellow stolzite, delicately set on small scheelite...
Colorless hexagonal calcite with relatively thick petals and...
An old sample of grossular garnets or andradites, including a...
Green-banded actinolite with copper-bright pyrite on a matrix...
Curved pyrite octahedrons of fine quality and brilliance on...
Not common! Native arsenic showing natural dissolution. This...
Set of smoky, fairly bright quartz of fine quality.3.7 x 2.9 x...
Group of smoky and biterminated quartz from a small Australian...
Group of smoky and biterminated quartz from a small Australian...
Dalnegorsk fluorites are renowned for the purity of their...