Gibbsite specimen from Dachang Mine, Qinglong, Guizhou, China. Botryoidal and globular gibbsite aggregates display soft sky-blue and creamy white color zoning with minor pale lavender creedite. The layered colloform growth texture is clearly visible, forming delicate coral-like cluster morphology. White host rock serves as the base matrix, and the surface is covered with fine granular secondary mineral precipitates, presenting distinct porous cavernous structure formed during supergene alteration.

这块三水铝石标本产自中国贵州晴隆大厂矿。肾状、球状三水铝石集合体呈现柔和天蓝色与奶白色分带，并伴生淡紫色氟铝石膏。清晰可见层状胶状生长结构，形成精致的珊瑚状晶簇形态。白色基岩作为基底，表面覆盖细密粒状次生矿物沉积物，呈现表生蚀变作用形成的独特多孔洞穴构造。

Dimension: 7.3×4.5×6.1cm.

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