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Halite crystals

A beautifully educated crystal seems to be something almost magical. Its transparent regular form immediately raises suspicion about the intentionality of the “creator”. However, the mystery has been revealed long time ago. Each mineral, including halite, is a crystal.

Calcite with marcasite

Presented specimen is a dense and grainy aggregate of marcasite, on which surface grown the crystals of calcite.

Ferruginous quartz

Quartz is a mineral belonging to the silicate group, mainly made of silicon dioxide. It is one of the most abundant rock-forming minerals present in the Earth’s crust. It is a brittle and transparent mineral. It can develop numerous colour variants, depending on its composition. It can be colourless, as well. Such quartz is called rock crystal.

Star-shaped quartz

Quartz is a mineral belonging to the silicate group, mainly made of silicon dioxide. It is one of the most abundant rock-forming minerals present in the Earth’s crust. It is a brittle and transparent mineral. It can develop numerous colour variants, depending on its composition. It can be colourless, as well. Such quartz is called rock crystal.

Calcite (“druse”)

Calcite is a mineral of the carbonate class, also known as calcium carbonate. Its name derives from the Greek word chalix and the Latin word calx (calcis) – meaning calcium, which is a reference to the traditional application of this mineral. It develops isometric, plate, prism and needle crystals.

Concentration of halite crystals

Halite is a mineral from the halides group; its main component is sodium chloride (NaCl). A monomineral rock composed of halite constitutes halite rock salt, commonly known as rock salt. The presented specimen has a historical nature and it comes from the Crystal Grotto in the Wieliczka Salt Mine.

White salt stalagmite

This consists of crystalline flowstone halite, formed in the form of a “Christmas tree” stalagmite, growing in the form of a “shrub” composed of salt crystals. The specimen has a white colour with a hint of grey. The natural complement to a stalactite is usually a stalagmite — a similar structure growing from the ground.

Halite crystals on the watering can

A wooden watering can, covered with salt crystals, is undoubtedly an original, but also a typical, object. Many of the objects left by the miners in the mine, especially those that were sunk in brine (salt water), changed their appearance and...

Native bismuth

Native bismuth is a mineral of the native element group, which very rarely occurs in nature, developing small rhombohedral or cuboid forms that resemble crystals. It usually develops grainy aggregates – compact, lamellate or dendritic.

Halite crystals from Crystal Grottoes

Aggregate, the accumulation of minerals among rocks of different composition and structure, is the dictionary definition of the features of this specimen.