Item talk:Q162375

Mindat Short Description

Member of the Clinozoisite Group of the Epidote Supergroup. Clinozoisite-Epidote Series. The Al2Fe3+ analogue of Clinozoisite. Piemontite-Epidote Series. The Al2Fe3+ analogue of Piemontite.

Geoscience Ontology Status Notes

Haüy R J (1801) Epidote, Traité de Minéralogie 3, 102-113

IMA Formula (from Mindat)

Ca₂(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH)

RRUFF Formula (from Geoscience Ontology)

Ca₂Fe³⁺Al₂(Si₂O₇)(SiO₄)O(OH)

Additional References

• http://www.handbookofmineralogy.com/pdfs/epidote.pdf

• http://www.webmineral.com/data/Epidote.shtml