IMA mineral species

Lópezite

K₂Cr₂O₇

Chromate mineral.

Lópezite specimen — Potassium dichromate (synthetic).jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula	K₂Cr₂O₇
Elements	K, Cr, O
Crystal system	Triclinic
Mohs hardness	2.5
Density	2.767 g/cm³
Streak	—
Color	—
IMA symbol	Lpz
Nickel–Strunz class	7.FD.05

“—” means no reliable value in Wikidata yet. Check Mindat for full data.

🌍 Where it's found

Type locality (where it was first described): Huara, Chile

Type locality
Notable source / deposit
Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.

Learn more

Lópezite on Mindat.org
Wikipedia article
Wikidata item Q2000743 (source of this page's data – you can correct it there)