Black Jade rough and a 9 by 23 mm ring stone cut from the rough, showing high uniformity and bright vitreous luster. Green Jade partially polished rough with a 10 mm round ring stone for scale.
Black Jade rough and a 9 by 23 mm ring stone cut from the rough, showing high uniformity and bright vitreous luster. Green Jade partially polished rough with a 10 mm round ring stone for scale.
Black Jade rough and a 9 by 23 mm ring stone cut from the rough, showing high uniformity and bright vitreous luster. Green Jade partially polished rough with a 10 mm round ring stone for scale. Rough ...