Native silver on calcite - Bouismas mine, Bou-Azzer, Morocco
Aesthetically crystallized native silver dendrites...
Aesthetically crystallized native silver dendrites...
Lemon-yellow sulfur crystals accompanied by numerous small...
Pseudomorphosis of vanadinite to phosphohedyphane...
Piece composed of biterminated quartz points with chlorite...
Beautifully sized pompon cavansite (3 x 2.5 cm), impeccably...
Group of translucent gypsum crystals from the Angervilliers...
Pyrite pseudomorphosed into goethite from Agos-Vidalos in the...
Bright orange-red crocoite crystals on limonite matrix.5.5 x 3...
Pyrite cubes of superb brilliance and very good condition,...
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...
Dalnegorsk fluorites are renowned for the purity of their...
Set of quartz points, one of which is biterminated, with shiny...
Small piece composed of several wavellite spheres of different...
Small piece composed of several wavellite spheres of different...
Set of translucent violet fluorite cubes with shiny surfaces,...
Fluorite cubes with lovely, bright purple phantoms contrasting...
Naturally interlocking pyrite crystals with mirror-like lustre...
Airy set of vanadinite crystals of varying sizes, displaying...
Small, extremely bright and well-formed green demantoid...
Small, extremely bright and well-formed green demantoid...
Beautifully brilliant sceptered quartz with hydrocarbon...
Beautifully brilliant sceptered quartz with hydrocarbon...
Beautifully brilliant sceptered quartz with hydrocarbon...
Beautifully brilliant sceptered quartz with hydrocarbon...