Graftonite (2)
Cabinet, 10 cm, 7.0 cm
Rice Quarry, Groton, Grafton Co., New Hampshire, USA
Ex. Robert Whitmore
Graftonite is a rare iron-manganese-calcium phosphate that seldom crystallized. When it does, they are usually pretty ugly and these ar eno exception. However, these ARE large, relatively sharp crystals, thus important. Sold as a set, to keep together. Bob regarded these very highly in the collection