Stone library / category
Tourmaline
Tourmaline as a family, including black, red, watermelon, and copper-bearing varieties. Browse 2 published guides, with mineral identity, treatment, jewelry use, value context, and care clearly separated.
2 published guides2 active subcategoriesOne canonical page per material
Read the identity before the label. Commercial names can cover several materials. Open the individual guide for treatment, durability, and evidence boundaries.
Collector Tourmaline
1 guideFamily Overview
1 guideKeep the path clear.
Use one canonical stone page for each material. Aliases and trade names should point to the guide that explains the underlying identity.