Calcite - Ojuela mine, Mapimi, Durango, Mexico
Perfect crystal of hexagonal calcite, colorless, associated...
Superb transparency for this long gypsum crystal of the finest quality.
14 x 3,5 x 1,5 cm.
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Perfect crystal of hexagonal calcite, colorless, associated...
Group of translucent gypsum crystals from the old quarry of...
Colourless but shiny hexagonal calcite crystals accompanied by...
Small plate made up of several rather chunky amethyst crystals...
Honey-colored spearhead crystallized gypsum, translucent in...
Floating translucent gypsum crystal from the Gard region....
Honey-colored spearhead crystallized gypsum, translucent in...
Set of floating, translucent gypsum crystals from the Gard...
Floating, translucent group of gypsum crystals from the Gard...
Floating translucent gypsum crystal from the Gard region. 10...
Specimen composed of two clusters of creedite (calcium...
Biterminated scalenohedrons of white calcite on...
Shiny, well-formed wulfenite crystals associated with small...