Graphite 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. Graphite has a black streak. It is an allotrope of elemental carbon (C). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Turtle Rock Scientific |
Bildgröße: | 5170 px × 3441 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |