Kyanite

Kyanite specimens for sale

22 for sale · $25–$1,495 USD

61 in the gallery

Kyanite is a silicate mineral known for its distinctive blue to blue‑gray blades, typically forming elongated crystals with a pearly to vitreous luster. It has a variable hardness depending on the direction of the crystal axes, and its crystals are often found in prismatic, sometimes columnar aggregates that catch the eye of collectors seeking striking, color‑rich specimens. Notable localities include Brazil, Tanzania, the United States, Switzerland, and Kenya, where kyanite crystals from hydrothermal and metamorphic environments have yielded sharp, well‑formed crystals that highlight its characteristic crystal faces.

Formula
Al2(SiO4)O
Rarity
Common
Stability
Stable
Collector interest
Moderate Interest

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Where Kyanite is found

About Kyanite

Collectors prize kyanite for its delicate form, range of color, and the challenge of finding crystals with clean terminations and minimal matrix. The mineral’s slivery, bladed habit and lustrous surfaces make it a favorite for display in mineral cabinets, particularly when it shows the preferred blue hues and well‑developed faces. While some specimens can be translucent and exhibit a soft sheen, others present a more opaque appearance that still showcases its distinctive crystal geometry. Careful handling helps preserve the crystal integrity, as thin blades can be fragile and require gentle display and storage.