紅雲礦
Arizona, USA
美國亞利桑那州拉帕斯縣的紅雲礦以世界最佳的鉬鉛礦聞名——明亮的橙紅色板狀晶體。
What it is known for
Red Cloud wulfenite occurs as lustrous, deep red-orange tabular crystals on matrix, widely regarded as the species' benchmark.
What collectors look for
Saturated red-orange wulfenite crystals, undamaged and well-positioned on matrix, are the prize; classic Red Cloud pieces are highly valued.