
We are getting close! The next step of the identification process involves a simple streak test of your unknown. Simply rub the sample on the streak plate and click on the streak color that most closely matches those shown below.
![]() BLACK | ![]() YELLOW-BROWN |
Note: Some minerals in this group have either a BLACK or GRAY streak, but unless seen side by side they can not be distinguished so we have grouped them together.
| BACK TO STEP 2|
| COLOR | STREAK | LUSTER | CLEAVAGE | HARDNESS | CRYSTAL SHAPE | SPECIFIC GRAVITY | OTHER PROPERTIES |