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![](https://www.mcdougallminerals.com/wp-content/uploads/2024/08/10315015.9-2-e1724456662589.jpg)
I’ve posted excellent new specimens in this Indonesia Update, including beautiful top calibre “grape amethyst” and chalcedony.
![](https://www.mcdougallminerals.com/wp-content/uploads/2021/09/Blog-photo-e1631299200902.jpg)
I’ve posted excellent new specimens from the John S. White quartz collection, representing many different phenomena of quartz crystallization, also from a great diversity of localities and mineral environments.
![](https://www.mcdougallminerals.com/wp-content/uploads/2019/03/10229118.1-100x100.jpg)
I’ve posted great new amethyst specimens in this Indonesia Update. Known as “grape amethyst”, these pieces feature beautiful groups of amethyst balls.