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Crystal Encyclopedia

Hypersthene

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Hypersthene is a mineral belonging to the pyroxene group, which is a class of inosilicate minerals commonly found in igneous and metamorphic rocks. Its name is derived from the Greek words “hyper” and “sthenos,” which together mean “over strength” or “excessive strength,” reflecting its strong and resilient nature. Hypersthene is typically composed of silicate compounds, […]

Cobaltocalcite

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Cobaltocalcite is a captivating and visually distinctive mineral that belongs to the calcite group of minerals. It is renowned for its remarkable pink to peach coloration, which sets it apart from the more common white or colorless calcite crystals. This unique hue is a result of the presence of cobalt within its chemical composition. The […]

Unakite

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Unakite is a type of metamorphic rock that is primarily composed of pink orthoclase feldspar, green epidote, and clear to bluish-gray quartz. It is known for its distinctive mottled appearance, with a combination of pink, green, and sometimes white or clear mineral components. The name “Unakite” is derived from the Unaka Mountains in the southeastern […]

Howlite

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Howlite is a mineral that is primarily composed of calcium borosilicate hydroxide. It is named after Henry How, a Canadian chemist and geologist who first discovered it in Nova Scotia, Canada, in 1868. Howlite is commonly found in white or grayish-white colors, with a porous and often veined or web-like appearance. Geologically, howlite is formed […]

Smithsonite

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Smithsonite is a mineral that belongs to the carbonate group. It is named after James Smithson, an English scientist and mineralogist who was the founder of the Smithsonian Institution in the United States. Smithsonite is also known by several other names, including zinc spar, zinc carbonate, and calamine. The mineral is composed of zinc carbonate […]

Almandine

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Almandine is a type of mineral that belongs to the garnet group, which is a diverse family of silicate minerals. Garnets are known for their striking colors and various uses in jewelry, industry, and even as gemstones. Almandine, in particular, is one of the most common and well-known members of the garnet group. Here’s an […]

Jelly Opal (Crystal Opal)

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Jelly Opal, also known as “Water Opal” or “Crystal Opal,” is a unique and captivating variety of opal known for its distinctive optical properties and appearance. Opals are gemstones that belong to the silica mineral family and are prized for their play-of-color, which is the beautiful and dynamic display of colors that can change when […]