Solstone belongs to the mineral feldspar. It has inclusions in the form of small hematite crystals which lie like thin plates and give rise to adventure scenes. This effect is highly sought after. The best sunstone comes from Plush in Oregon, USA. Faceted "Oregon sunstone" can be a rather expensive gemstone. Stone: Sunstone/ Solstone Shape: Elliptical Weight: 7.66 Carat Size (mm): 5.5 x 10.1 x 14.9 Color: Bright Brownish/ Orange Stone Hardness: 6 - 6.5 Origin : USA