Hematite 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. Hematite has a reddish-brown streak. Hematite is composed of iron(III) oxide (Fe2O3) and is the main ore of iron. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Turtle Rock Scientific |
Bildgröße: | 5169 px × 3442 px |
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