chalcanthite
Definition
Noun: A naturally occurring, hydrated blue crystalline mineral. It is the pentahydrate form of copper sulfate (CuSO₄·5H₂O).
Usage
Chalcanthite is a specific scientific term used primarily in geology, mineralogy, and chemistry. It refers to the mineral form of blue vitriol, which is often found in the oxidized zones of copper deposits.
Examples
- Noun:
- The brilliant blue color of the chalcanthite specimen made it a standout in the museum's collection.
- Miners identified the vein as containing chalcanthite, indicating the presence of copper ore.
- Due to its solubility in water, chalcanthite is often found in arid climates or as efflorescent crusts.
Advanced Usage
- As a source of copper: Historically, chalcanthite was an important ore for copper extraction, though its solubility made it less practical than other ores.
- In crystal growth: Because it is soluble and forms distinct crystals, chalcanthite is sometimes used in educational demonstrations of crystal formation.
Variants and Related Words
- Copper sulfate pentahydrate: The chemical name for chalcanthite.
- Blue vitriol: A common name for both the natural mineral and the synthetically produced compound.
- Cupric sulfate: Another name for the compound copper(II) sulfate.
Synonyms
- Blue copper ore
- Blue stone (a less specific, historical term)
Notes
Chalcanthite is toxic and should be handled with care. It is also water-soluble, meaning samples can degrade or dissolve if exposed to moisture.
Noun
-
hydrated blue crystalline form of copper sulfate
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