Materials

Fluorite

Also Known As Fluorspar

Mineral

Citation Formats

General Reference

Earth and Environment Atlas. "Fluorite." Accessed August 30, 2026. https://earth.interactiveatlas.org/materials/fluorite.

APA Style

Earth and Environment Atlas. (n.d.). Fluorite. Retrieved August 30, 2026, from https://earth.interactiveatlas.org/materials/fluorite

BibTeX

@misc{earthandenvironmentatlas-fluorite,
  author = {Earth and Environment Atlas},
  title = {Fluorite},
  year = {2026},
  url = {https://earth.interactiveatlas.org/materials/fluorite},
  note = {Accessed August 30, 2026}
}

The mineral form of calcium fluoride, a halide mineral that crystallizes in isometric cubic habit and defines value 4 on the Mohs hardness scale. Also called fluorspar, it gave its name to the element fluorine and to the property of fluorescence.

Facts

Kind

Mineral 1

Formation Class

Halide mineral, most commonly forming in hydrothermal veins alongside minerals such as galena, sphalerite, quartz and barite. 1

Chemical Formula

CaF2 1

Hardness (Mohs)

4 1

Cross-Tradition Connections

Associated With

Mohs Hardness Scale

The Mohs scale defines value 4 as fluorite.

Source Fluorite (Wikipedia)

In Discipline

Mineralogy

Source Fluorite (Wikipedia)

Sources

1. Fluorite (Wikipedia)

Wikimedia FoundationLead section

Quote, Lead section

Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon.

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