JEWELRY
Untitled Item
Key Facts & Value
Key Fact
Description
This is a striking natural specimen of calcite, characterized by its complex crystalline structure. The individual crystals grow in a radiating, fibrous habit, forming a dense cluster. Its coloration ranges from milky white to warm amber and reddish-brown, hinting at trace mineral inclusions. The overall texture is sharp and somewhat fragile, with a subtle shimmer due to the light reflecting off the crystal facets. It presents an intriguing geological formation, showcasing the beauty of natural mineral growth.
History
Calcite, a mineral composed of calcium carbonate, has been recognized and utilized by humans for millennia. It is a fundamental component of many rocks, including limestone and marble, and is found in diverse geological environments, from sedimentary formations to hydrothermal veins. Ancient civilizations valued calcite for its decorative properties and sometimes attributed spiritual or healing powers to it. Its discovery and collection as geological specimens became more widespread with the development of mineralogy as a scientific discipline.
Facts
Calcite is known for its optical properties, particularly its birefringence, which causes double refraction. This characteristic made it valuable historically for scientific instruments. The variety of colors seen in calcite specimens is due to impurities, such as iron oxides, which create the warm brown and reddish hues. The unique crystalline habits, like the acicular or fibrous growths seen here, make each specimen a one-of-a-kind natural artwork.
Value Fact
The market value of calcite specimens varies greatly depending on size, quality, clarity, formation complexity, and aesthetic appeal. While common calcite is generally affordable, exceptional clusters with unique crystal habits, vibrant colors, or significant size can command higher prices. Collectors often seek specimens that display interesting growth patterns and good color saturation, making them desirable for display and study. Prices can range from a few dollars for small pieces to hundreds or even thousands for museum-quality examples.
Item Details
Official Details
Variation Details
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