Luster - Metallic
Hardness - 2.5-5.5
Streak=Black/Gray
Step 4

One Final Step! Let's examine the mineral for any signs of cleavage. Sometimes it will be obvious and other times it will be more difficult to see or even indistinct. Fortunately, we have narrowed our choices down to only two cleavge types for our unknown.

Three Directions
90 degrees
No Apparent Cleavage (CLICK HERE) 

| BACK TO STEP 3|

| COLOR | STREAK | LUSTER | CLEAVAGE | HARDNESS | CRYSTAL SHAPE | SPECIFIC GRAVITY | OTHER PROPERTIES |