Quartz and all varieties of Quartz
4.55 carat Bi-colour Purple and Yellow Bolivia Ametrine
4.40 carat Bolivia Ametrine
3.63 carat Bi-colour Purple and Yellow Bolivia Ametrine
2.51 carat Bi-colour Purple and Yellow Bolivia Ametrine
2.17 carat Uruaguay Purple Amethyst
3.66 carat Uruguay Purple Amethyst Pair
3.54 carat Uruguay Purple Amethyst Pair
7.12 carat Brazil Purple Amethyst
8.07 carat Purple Amethyst
9.75 carat Bi-colour Purple and Yellow Bolivia Ametrine
9.05 carat Bi-colour Purple and Yellow Bolivia Ametrine
7.31 carat Bi-colour Purple and Yellow Bolivia Ametrine
7.94 carat Bi-colour Purple and Yellow Bolivia Ametrine
9.29 carat Bi-colour Purple and Yellow Bolivia Ametrine
9.72 carat Purple Amethyst
6.98 carat Brazil Purple Amethyst
4.45 carat Burma Purple Amethyst
15.39 carat Brazil Purple Amethyst
2.34 carat Purple Amethyst
2.05 carat Purple Amethyst
2.78 carat Purple Amethyst
4.57 carat Purple Amethyst
17.91 carat Brazil Purple Amethyst
48.51 carat Brazil Purple Amethyst
19.50 carat Bi-colour Purple and Yellow Bolivia Ametrine
39.39 carat Bi-colour Purple and Yellow Bolivia Ametrine
19.52 carat Bi-colour Purple and Yellow Bolivia Ametrine
15.38 carat Bi-colour Purple and Yellow Bolivia Ametrine
10.69 carat Bi-colour Purple and Yellow Bolivia Ametrine
10.19 carat Bi-colour Purple and Yellow Bolivia Ametrine
5.41 carat Bi-colour Purple and Yellow Bolivia Ametrine
4.96 carat Bi-colour Purple and Yellow Bolivia Ametrine
