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Pyrolusite streak test

Pyrolusite streak test

C044/0266

Rights Managed

50.8 MB (4.1 MB compressed)

5166 x 3438 pixels

43.7 x 29.2 cm ⏐ 17.2 x 11.5 in (300dpi)

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Credit

TURTLE ROCK SCIENTIFIC / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY TURTLE ROCK SCIENTIFIC / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY

Caption

Pyrolusite streak test. The streak test is used to determine the colour of a mineral in powdered form. It is done by scraping a specimen across a piece of unglazed porcelain known as a streak plate. Pyrolusite has a black streak. Pyrolusite is composed of manganese dioxide (MnO2) and is an ore of manganese.

Release details

Model release not required. Property release not required.

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