Amethyst Cluster — Miniature

$66.44
Chemical FormulaSiO₂
Crystal SystemTrigonal
Mohs Hardness7
Specific Gravity2.65
LusterVitreous
TransparencyTransparent to translucent

The deep violet comes from trace iron and natural irradiation during crystal growth. Each cathedral-shaped cluster is a frozen moment from 135 million years ago, when silica-rich g…

23 in stock

SKU: TC-MIN-0060
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Description

Every mineral is a story of chemistry, pressure, and patience. The deep violet comes from trace iron and natural irradiation during crystal growth. Each cathedral-shaped cluster is a frozen moment from 135 million years ago, when silica-rich groundwater seeped into basalt voids left by ancient volcanism.

This specimen originates from Artigas District, Uruguay, one of the world’s most significant localities for this type of material. Collectors and scientists have drawn from this region for generations, and for good reason: the combination of geological conditions here produces specimens of exceptional quality and clarity.

Every specimen is unique. Photographs approximate the visual experience, but the real thing — its weight, its luster under a raking light, the way it catches the corner of your eye — can only be experienced directly.

Formation

This specimen formed through geological processes operating over timescales that dwarf human history. The specific combination of chemistry, temperature, pressure, and time at this locality produced material of exceptional quality that makes it a valued addition to any serious collection.

Locality

Amethyst Cluster — Miniature from Artigas District, Uruguay. This locality is known for producing specimens of exceptional quality.

Collector Notes

Handle with care; crystal terminations are irreplaceable once damaged.