Chalcanthite

A variety of Chalcanthite Group

Rare
Chalcanthite specimen - rock identification

What is Chalcanthite?

Chalcanthite crystals that are naturally formed are scarce to come by. There are, however, many specimens that have been created in laboratories for collectors to acquire. Be skeptical of any large crystals not labeled as synthetic. Less-attractive formations of chalcanthite are used to create a cleaning agent for sewage systems.

Uses & Applications

Chalcanthite is a striking blue copper ore which can be dissolved into water and used as a dye. This is a highly toxic substance which can degrade over time and become dangerous to people if used as décor in a non-humidity controlled environment.

Healing Properties

Chalcanthite is a calming stone that will prepare your body, mind, and spirit for meditation. Its high vibrations may help you reach a higher level of spiritual understanding. It is said to prepare the user for communication with the higher realm. Believed to promote balance and harmony in both personal and professional life, this stone's influence may strengthen friendships and evoke discipline and commitment.

Chalcanthite Market Value Calculator

Estimate the market value of Chalcanthite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

Preview only. Full pricing comps and valuation report in the app.

Chalcanthite Localities Map

See where Chalcanthite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Associated Chakras

Throat
Throat

Health & Safety Information

  • ⚠️Harm Reason: Chalcanthite dust is toxic because it contains heavy metals Copper.
  • ⚠️Chalcanthite's blue color is one of its most notable features, but it is insufficient in identification. Other useful tests include associated minerals, crystal habit, solubility and subsequent coloring of the water blue. Chalcanthite can also dye materials blue when dissolved in water, and has a peculiarly sweet and metallic taste, although consuming it can induce dangerous copper poisoning.
  • ⚠️How to prevent the risks of Chalcanthite?

More Images

Chalcanthite specimen 2
© Robert M. Lavinsky

Quick Facts

Physical Properties

Color
Green, green blue, light blue, dark blue, colourless to pale blue in transmitted light
Hardness (Mohs)
2.5
Density
2.282 g/cm³
Streak
White
Luster
Vitreous, Resinous
Crystal System
Triclinic

Chemical Properties

Chemical Formula
CuSO4 · 5H2O
Elements
Cu, H, O, S

Also Known As

ChalcanthiteBlue StoneChalkanthiteCyprian Vitriol
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