MN711 Sample ID MN711 • Cabinet H Iron Pyrite 15.5cm W x 18.3cm H x 8.7cm D • 3968g Sample TypeMineralColorGold, White, BlackLusterMetallic StreakBlackCleavage/FractureIndistinct / UnevenSpecific GravityNA Geographic Location/DateChester, Vermont Mohs Hardness 6 A large specimen of Iron Pyrite. It is too large to take the specific gravity, so it is unknown. Small crystals cover the specimen, which have a hardness of 7. Additionally, there are several black sections covered with a dark powder that comes off when touched. Description of Mohs scale here