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Minerals

Minerals

General Info About Minerals

Instantly Identify Rocks with a Snap
Snap a photo for instant rock/gemstone/mineral ID and properties analysis, gaining quick insights on characteristics, market value, collecting tips, care, real vs fake, and health risks, etc.
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Characteristics of Minerals

Your Comprehensive Rock Characteristics Guide
In-depth exploration of rock types, features, and formation aspects
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Common Questions People Also Ask

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More Rocks You Might Enjoy

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Fake Diamond
Fake Diamond, also known as a Diamond Imitation, is a man-made or natural material designed to mimic the appearance of a genuine Diamond, without being composed of carbon atoms arranged in a crystalline structure. A common type of fake Diamond includes Cubic Zirconia, Moissanite, and Glass. Although a fake Diamond may visually resemble a real Diamond, it typically lacks the distinct physical properties, such as hardness, refractive index, and thermal conductivity, that make Diamonds unique and valuable.
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Arkose
Arkose ( /ˈɑːrkoʊz/) is a detrital sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Arkosic sand is sand that is similarly rich in feldspar, and thus the potential precursor of arkose. Quartz is commonly the dominant mineral component, and some mica is often present. Apart from the mineral content, rock fragments may also be a significant component. Arkose usually contains small amounts of calcite cement, which causes it to effervesce (fizz) slightly in dilute hydrochloric acid; sometimes the cement also contains iron oxide. Arkose is typically grey to reddish in colour. The sand grains making up an arkose may range from fine to very coarse, but tend toward the coarser end of the scale. Fossils are rare in arkose, due to the depositional processes that form it, although bedding is frequently visible. Arkose is generally formed from the weathering of feldspar-rich igneous or metamorphic, most commonly granitic, rocks, which are primarily composed of quartz and feldspar (called 'grus' as a sand). These sediments must be deposited rapidly and/or in a cold or arid environment such that the feldspar does not undergo significant chemical weathering and decomposition; therefore arkose is designated a texturally immature sedimentary rock. Arkose is often associated with conglomerate deposits sourced from granitic terrain and is often found above unconformities in the immediate vicinity of granite terrains. The central Australian inselberg Uluru (Ayers Rock) is composed of late Neoproterozoic/Cambrian arkose, deposited in the Amadeus Basin.
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Unakite tumbled
Unakite tumbled is a blend of cream, pistachio-green, and salmon-pink colors, with an aesthetic mottled effect and smooth finish. Unakite tumbled is abundant and sourced worldwide, with mines in the USA, South Africa, Sierra Leone, and China. It is very popular for beads, cabochons, and carved ornamental pieces.
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Bloodstone
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Sylvanite
Sylvanite or silver gold telluride, (Ag,Au)Te2, is the most common telluride of gold.
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