Credit: RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA/SCIENCE PHOTO LIBRARY

Caption: Sample of talc. Talc is a monoclinic mineral, composed of crystalline laminae of hydrous magnesium silicate. In its purest forms it is white, soft, and greasy to the touch. It is found as an alteration product of magnesium silicates in ultramafic igneous rocks, or as an impurity in dolomitic marble. Talc is quarried extensively in Italy. When finely crushed, it is used as a cosmetic (talcum powder), but is also used in the paper, rubber and paint industries.

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Keywords: 1, 30 seconds or greater, chemical, chemistry, compound, crystal, crystalline, crystallised, crystallized, crystals, earth science, environment, geological, geology, hydrated, hydrous, lamina, magnesium, magnesium silicate, mg3si4o10oh2, mineral, mineralogy, natural, nature, no-one, nobody, one, one specimen, powder, raw, rock, rotating, rotation, sample, single, soapstone, specimen, steatite, still life, still-life, studio shot, talcum, turntable, white background

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Talc

K004/4883 Rights Managed

Downloadable master

Duration: 00:00:35.16

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 927.7M

Original

Capture format: Sony FS700

Codec: Apple ProRes 422 HQ

Interlaced: Yes

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