Tranche d'améthyste, quartz Topaze / Topaz In this case the presence

In this case the presence of oxidized iron (Fe) gives rise to warm and vivid colors in shades of red

Shape: Round cabochon

Dimensions: 12

Variété : Calcédoine

Dimensions: 34

Tranche d'améthyste, quartz Topaze / Topaz In this case the presenceSlice of polycrystalline quartz from Uruguay. It can be mounted on jewelry or simply be added to your collection of gems and minerals. It's the perfect gift forr a gemstones lover. Variety: Quartz Color: Gray, white and purple Dimensions: 41. 00 x 37. 00 mm Weight: 95. 43 ct Shape: Freeform slice Origin: Uruguay Treatment: None Hardness: 7 Actual product colors may vary from colors shown on your monitor.