Mineral variety

Menilite

Opal var..

White & Clear

Variety of Opal.

Menilite specimen
Menilite opal nodule (Upper Miocene; Pantano Camarillas, Agramón, Spain) 1.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula—
Elements—
Crystal system—
Mohs hardness—
Density—
Streak—
Color—

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