拉特纳普勒
Sabaragamuwa, Sri Lanka
斯里兰卡的拉特纳普勒——『宝石之城』——是世界重要的宝石砾石矿区之一。
What it is known for
Ratnapura's alluvial gem gravels yield sapphire (including the famous Ceylon blue), star corundum, topaz, zircon, spinel, and many other gems.
What collectors look for
Gem sapphire and the variety of fine gravels are the draw; well-formed crystals from the gravels are collector pieces.