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Opal — Nevada
Origin: Virgin Valley, Humboldt County, Nevada, USA
Number: (1152109)
Size: 2.5 x 2.5 x 1.2 cm (thumbnail)
Opal-AN — Hungary
Origin: Kopasz Hill quarry, Tarcal, Tokaj, Borsod-Abauj-Zemplen Co., Hungary
Number: (4991016)
Size: 5.0 x 4.0 x 3.0 cm (miniature)
Opal-AN — Hungary
Origin: Kopasz Hill quarry, Tarcal, Tokaj, Borsod-Abauj-Zemplen Co., Hungary
Number: (4991021)
Size: 4.5 x 4.0 x 2.3 cm (miniature)
Opal-AN — Hungary
Origin: Kopasz Hill quarry, Tarcal, Tokaj, Borsod-Abauj-Zemplen Co., Hungary
Number: (4991018)
Size: 3.5 x 3.5 x 1.5 cm (miniature)
Opal — Nevada
Origin: Virgin Valley, Humboldt County, Nevada, USA
Number: (1152106)
Size: 2.5 x 2.1 x 1.8 cm (thumbnail)
Opal — Nevada
Origin: Virgin Valley, Humboldt County, Nevada, USA
Number: (1152107)
Size: 2.1 x 2.0 x 1.8 cm (thumbnail)
Opal — Mexico
Origin: Zacatecas, Mexico
Number: (5003220)
Size: 2.4 x 1.8 x 1.4 cm (thumbnail)