description Stilbite Overview
Stilbite is a group of hydrated calcium and sodium aluminosilicate minerals in the zeolite family. It commonly forms pale, glassy crystals arranged in sheaf-like, fan-shaped, or bow-tie aggregates, which makes it popular with mineral collectors. Stilbite occurs in cavities and veins of volcanic rocks, especially basalt, where it forms from mineral-rich fluids. The name comes from the Greek word meaning "to shine," referring to the mineral's luster.
help Stilbite FAQ
What kind of mineral is stilbite?
Stilbite is a group of hydrated calcium and sodium aluminosilicate minerals in the zeolite family. It commonly forms in cavities in volcanic rocks.
What do stilbite crystals look like?
Stilbite often forms pale, glassy crystals arranged in sheaf-like, fan-shaped, or bow-tie aggregates. These distinctive groupings make it popular with mineral collectors.
Where does stilbite form?
It commonly develops in cavities and veins associated with volcanic rocks. Mineral-rich fluids deposit the zeolite crystals in those open spaces as the rock changes.
Why do collectors value stilbite?
Collectors value stilbite for its pale color, glassy appearance, and recognizable fan or bow-tie clusters. A specimen's visual appeal depends heavily on crystal shape and the quality of the aggregate.
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