Rosell Minerales

You are in > Home > Minerals

Catálogo de minerales

RM2480   Opal

Opal Butte, Morrow Co, Oregon, United States of America

An extremely glassy opal specimen, transparent to translucent, with bluish to golden tones. An excellent specimen of opal from this classic American locality. It shows some fluorescence under ultraviolet (LW) light. An old piece from the A. Trigo collection (Mataró).

Size: 4.7 x 4.1 x 1.6 cm.
Found in ca. 1991.

Col. Antonio Trigo (Mataró).
Fluorescent under long wave UV


RM1817   Opal

Opal Butte, Morrow Co., Oregon, United States of America

The extremely glassy, transparent to translucent opal colors range from colorless to very rich orange. A really excellent, sculptural and rich bi-colored large matrix opal example from this locality. Bright neon-green fluorescence. Very old material. Matrix opal specimens of this large size are rare from this Oregon locality.

Size: 7.0 x 4.0 x 3.8 cm.
Found in ±1990.

Col. J.M. Manchion (Barcelona). No.523, Kucera 1991.
Fluorescent under long wave UV