it appears doubled — a visual effect that occurs because light splits into two rays as it passes through the crystal

Name: Siderite in Albite with Zircon

Note: This stone sparkles but there is a flaw in the cut as the pavilion is not centered

Most samples are individual meteorites but some fragments (mostly >1 kg) also occur

This is a very attractive specimen consisting of brown dogtooth crystals of Calcite on Quartz crystals from Santa Eulalia

Imperial Topaz | Oval Cut | Orange | 6.3x4mm 0.6ct Hematite it appears doubled — aProduct Type: Imperial Topaz Approx Weight (per piece): 0. 6ct Size: 6. 3x4mm Shape: Oval Cut Color: Imperial Orange Clarity: Clean Origin: Brazil