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Crystal Encyclopedia

Royal Aztec Agate

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The Royal Aztec Agate is a variety of agate highly valued for its aesthetic appeal and rarity. This stone is often recognized for its striking patterns, vibrant colors, and connection to ancient history. Contents 1. What is Agate? 2. Aztec Connection 3. Appearance and Characteristics 4. Formation of Royal Aztec Agate 5. Geological Locations 6. […]

Topazolite

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Topazolite is a variety of the mineral andradite, which is a member of the garnet group. It is known for its yellow to yellow-green color, which is distinct within the garnet family. Topazolite typically appears in small, well-formed crystals that are highly prized by collectors for their brilliance and clarity. Topazolite is a calcium iron […]

Broadflash Opal

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Broadflash Opal is a captivating variety of precious opal known for its distinctive play-of-color that flashes across a wide area of the gemstone. This phenomenon, where vibrant colors shift and shimmer as the gem is viewed from different angles, gives Broadflash Opal its unique allure. Broadflash Opal belongs to the category of precious opals, characterized […]

Girasol Quartz

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Girasol Quartz, often known as Girasol Opal and Milky Quartz are a type of quartz that exhibits an opalescent sheen with a subtle glow or radiance that appears to move across its surface as it catches the light. This phenomenon, known as the “girasol effect,” is due to microscopic inclusions of water within the quartz. […]

Australian Boulder Opal

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Australian Boulder Opal is a unique and striking variety of opal that is found only in Queensland, Australia. It is distinct from other types of opal due to its natural form in which the opal is intimately bound with its host rock, typically ironstone. This results in the opal often being presented in thin seams, […]

Mexican Cantera Fire Opal

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Mexican Cantera Fire Opal is a vibrant and colorful gemstone that is distinctive due to its unique formation within the host rock, typically rhyolite. The term “Cantera” in Spanish means “quarry,” referencing the method of extracting these stones embedded in their matrix, unlike many opals which are typically found as loose nodules. This method preserves […]

Hydrophane Opal

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Hydrophane opal is a fascinating variety of opal known for its unique ability to absorb water, which can dramatically alter its appearance. Unlike most gemstones, hydrophane opal has a porous structure that allows it to soak up water like a sponge, temporarily enhancing its transparency and color vibrancy. This characteristic makes it a captivating gemstone […]