Grigore-cobalcescu 3D models

Labradorite with Schiller effect

Petrified wood (Opal)

Outstanding sparkly Amethyst (var. of Quartz)

Disco ball Pyrite (Pyrite nodule)

Freiberger Geologist's Compass (without mirror)

Galena cubes with Sphalerite and Quartz crystals

Melanophlogite encrusting Sulphur and Calcite

Aesthetic specimen with Sphalerite and Calcite

Unique Jamesonite ball with Quartz and Covellite

Marcasite hat

Twinned white Dolomite rhombohedrons

Massive Sphalerite (var. Marmatite)

Aesthetic specimen of Galena and Chalcopyrite

Citadelle of Galena crystals (+ Chalcopyrite)

Pahoehoe festoon lava (Corda) - Basaltic ropey

Petrified wood (Opal)

Petrified wood (Opal)

Silver-grey platy crystals of 'Zinnwaldite'

Bright lemon-yellow massive Orpiment on matrix

Starfish (Sea Star)

Rhodochrosite rhombohedrons

Cluster of Amethyst crystals (variety of Quartz)

Emerald crystal (variety of Beryl) in Micashist

Volcanic bomb - cow pie bomb