Fire Opal

T

The Mineralogical & Geological Museum, Harvard University

0 for sale

Fire opal nodule on matrix, 7.2 cm, from the Iris mine, Colon, Queretaro, Mexico (MGMH#88470). Ex J. A. Garland collection; Robert Weldon photo © GIA.

Product details

Species

OpalAbout Opal →

SizeSmall Cabinet

Dimensions7.2 cm

Added on02/13/2026

Locality

Mexico, Queretaro

Publications

Mineralogical Record Mineral Collections In American Northeast page 164

Known provenance

Date	Collector	Acquisition price
—	J. A. Garland	Not disclosed

Comments

Learn more

Mineral guide

Learn about Opal

amorphous silica with water and a spectacular play-of-color; black, boulder, and fire opal varieties capture brightness, color, and collecting appeal.

Regional guide

Opal from Queretaro

Opal market analytics

MedianMiddle 50% rangeVolume

Open detailed analyticsPrice ranges · Top localities · Sold items