I received six rocks in my purchase order all as expected, and I will use mineral box again

A stalactitic calcite cone from Yunnan, sheathed in short amber-orange crystals with rusty micro-sprays filling the gaps between them. Pale yellow-green calcite shows at the foot. Natural cave growth, nothing cut or polished. 4.1 × 2.9 × 5.2 cm, 126 g.
| Mineral | Calcite |
|---|---|
| Locality | Yunnan Province, China |
| Crystal system | Trigonal |
| Chemical formula | CaCO₃ |
| Dimensions | 4.1 cm × 2.9 cm × 5.2 cm |
| Weight | 126 g |
| Color | Brown |
| Condition | No damage on display faces |
A cave straw grown thick and then dressed: the core of this Yunnan piece is a stalactitic calcite column, and every surface of it is sheathed in short amber-orange crystals that taper to points. Between the larger ones sit rusty micro-sprays of the same mineral, fine as lichen, and the foot of the cone breaks into pale yellow-green calcite where the warm iron staining runs out.
Stalactitic calcite begins as carbonate-charged water dripping in a cave void, building a hollow tube layer by layer; only later does a second generation of crystals grow outward over that tube, which is what gives the piece its bristling, cone-shaped profile. Calcite is CaCO3, Mohs 3 with perfect rhombohedral cleavage, and it dissolves in even weak acid — dry dusting only, and never vinegar.
It stands 5.2 cm tall on a 4.1 × 2.9 cm footprint and weighs 126 g, shown upright on a clear acrylic display base with white putty. What the camera recorded is what will arrive.
Calcite is a carbonate mineral prized by collectors for its exceptional color range, with several world-class Chinese localities.
Yes. Every specimen is a single, one-of-a-kind piece, and the photographs show the exact item you will receive — never a stock photo.
Yes — specimens like this form naturally. As is standard in the trade, some pieces are gently cleaned or trimmed; we photograph the actual specimen and describe its origin and condition conservatively.
Orders ship worldwide with fully insured, tracked delivery, carefully packed to protect fragile crystals.
Yes — there is a 14-day return window.
I received six rocks in my purchase order all as expected, and I will use mineral box again

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