Image credits.

Quartz reference photograph

Quartz Brésil by Didier Descouens. Original photograph on Wikimedia Commons. Licensed under Creative Commons Attribution-ShareAlike 4.0. Resized, converted to WebP and cropped responsively for display; the adapted image is available under the same licence.

Mineral photography illustrates material types, not specific stock or grades. Stone textures and the company monogram are original AI-generated brand artwork.

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Feldspar

Photograph by Dave Dyet. Original on Wikimedia Commons. Public domain. Resized, converted to WebP and cropped responsively. Adaptations retain the original licence.

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Kaolinite

Photograph by GOKLuLe 盧樂. Original on Wikimedia Commons. CC BY-SA 3.0. Resized, converted to WebP and cropped responsively. Adaptations retain the original licence.

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Dolomite

Photograph by Mineralysk. Original on Wikimedia Commons. CC BY-SA 4.0. Resized, converted to WebP and cropped responsively. Adaptations retain the original licence.

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Bentonite

Photograph "Bentonite 1" by Vyacheslav Bukharov. Original on Wikimedia Commons. CC BY-SA 4.0. Cropped, resized and converted to WebP. Adaptations retain the original licence.

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Soapstone

Photograph by Dave Dyet. Original on Wikimedia Commons. Public domain. Cropped, resized and converted to WebP.

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Clay quarry

Photograph "Kaznějov kaolin quarry 2021 (01)" by Jan Macura. Original on Wikimedia Commons. CC BY-SA 4.0. Cropped, resized and converted to WebP. Adaptations retain the original licence.

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Mineral and quarry photographs illustrate the material types and do not represent specific inventory, grades or sites.