Lucia Reváková

Lucia Reváková

Lucia Reváková
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Quartz with Dumortierite inclusions #mineral

Quartz crystals with blue needles of Dumortierite inside. The locality, is western Bahia, near Vaca Morta Quarry, a remote and hard to reach area near the border with Tocantins state. - Photo: Jeff ScovilQuartz with Dumortierite inclusions

Exceptional and very rare Oregon opal with visual effect of being underwater when held to light.obtained at Opal Butte Mine. Oregon, USA

Exceptional and very rare Oregon opal with visual effect of being underwater when held to light.obtained at Opal Butte Mine. Oregon, USA ---- It looks like there is a dust-storm contained in this small gemstone