Quartz and galena – Borieva Mine, Madan, Bulgaria
Specimen comprising several quartz points with chlorite...
Specimen comprising several quartz points with chlorite...
A cluster of quartz with chlorite inclusions at the base. The...
A specimen combining white quartz crystals with deep green...
A cluster of well-developed, colourless calcite...
A specimen consisting of a multitude of small blue fluorite...
A large specimen of gypsum with grey marl inclusions and...
Spécimen tridimensionnel composée d'un accolement de plusieurs...
A small single crystal of amethyst quartz with a very...
A superb specimen of wulfenite featuring a well-developed...
An elegant, elongated stibnite crystal, finely striated with a...
A cluster of quartz crystals, some of which display the...
A set of quartz crystals with beautiful brilliance, featuring...
A respectable-sized stolzite crystal from the former Sainte...
A plate combining well-formed galena crystals with a beautiful...
Fully crystallised (floating) specimen consisting of quartz...
Sparkling azurite crystals, joined together in parallel...
Small amethyst and haematite quartz crystal.Square Perky box...
Set of amethyst crystals with beautiful colour and brilliance....
Beautiful quartz slab with a lovely sheen, composed of slender...
Plate composed of numerous yellow fluorite cubes, in good...
A beautifully white fibrous gypsum, topped by several...
Quartz points with a beautiful surface shine associated with...
Light purple pseudo-spherical fluorite, sparkling, on granite...
Kunzite variety spodumene crystal with a very pretty lilac...
Cluster of several tabular baryte crystals covered with white...
Large plate composed of well-individualised quartz needles of...
Small double-terminated quartz from Pakistan, of great...
Small ‘diamond’ quartz with hydrocarbon inclusions. 1.7 x 0.9...
A well-translucent, perfectly terminated aquamarine single...
One side features needle-like quartz crystals of various...