 | Uncut diamond crystal from Arkansas. Liddicoatite with a zoned green and pink interior from Antsirabe, Madagascar. |  |
 | Elbaite candelabra (Tourmaline family) Beryl with Quartz - Blue beryl crystal on microcline. |  |
 | Pear-cut ametrine from Brazil Calcite with Pyrite - From Brush Creek mine, Reynolds County, Missouri. Calcite is a ubiquitous gangue mineral in Mississippi Valley type lead zinc deposits. This mine was closed in 2001 after 22 years of operation. |  |
 | Octagonal-cut amethyst A round brilliant-cut citrine. Clinohumite is a magnesium silicate commonly found as tiny indistinct grains. However, large euhedral crystals are sought after by collectors and can be cut into beautiful gemstones. |  |  |
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