Arkansas Key Crystal Quartz Cluster 3.6 lbs — Fisher Mountain
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A rare key crystal quartz cluster from Fisher Mountain, Arkansas. 3.570 lbs, approx 8x6x3 inches. This specimen displays a distinctive key formation — a geometric, stepped impression left behind where another crystal once grew against the main cluster and later separated naturally. Key crystals are among the most sought-after formations in quartz collecting.
The key impression adds extraordinary visual depth and texture to an already exceptional Fisher Mountain cluster. Multiple well-defined terminated points with excellent clarity surround the key formation, creating a specimen that is both scientifically fascinating and visually stunning.
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What is a Key Crystal?
A key crystal forms when another mineral or crystal fragment grows against a quartz crystal during formation, then naturally separates over geological time — leaving behind a distinctive stepped, geometric impression. These recessed shapes resemble a keyhole or lock mechanism cut into the crystal face. Key formations are relatively rare and highly prized by mineral collectors for their unique texture, visual depth, and the geological story they tell about the crystal's growth environment.
Details
- Stone: Clear Quartz — Key Crystal Formation
- Weight: 3.570 lbs
- Size: Approx 8x6x3 inches
- Origin: Fisher Mountain, Montgomery County, Arkansas, USA
- Formation: Key crystal (geometric impression from separated crystal)
- Vendor: Avant — ethically mined
- One of a kind
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