Franklinite | Franklin, NJ impurity 75” and weighs 11

75” and weighs 11

This item is 2" x 2" and weighs 7

This item is 4” x 2” and weighs 25

featuring thousands of tiny crystal faces that shimmer brilliantly across the specimen's surface

This combination creates a striking contrast between the metallic luster of the ore minerals on top of the snowy texture of the quartz

Franklinite | Franklin, NJ impurity 75” and weighs 11Franklinite is a dense, black, metallic zinc iron manganese oxide mineral belonging to the spinel group. Found in Franklin and Sterling Hill, New Jersey, it is now the official state mineral of New Jersey. It typically forms octahedral crystals, is weakly to moderately magnetic and has a Mohs hardness of 5. 56. 5. These specimen fluoresce beautifully under blacklight, making them incredibly unique! This item is 3. 5 x 3 x 2 and weighs 28. 45 oz