Color is white, pink, yellowish white or straw yellow. Luster is silky, pearly to earthy. Specimens are translucent. Crystal System is orthorhombic. Crystal Habits include fibrous veins and masses.
Cleavage is perfect.
Fracture is uneven. Hardness is 3 - 3.5. Streak is white. Other Characteristics Non-fluorescent, unlike so many other Franklin minerals. Associated Minerals include franklinite , calcite , pyrochroite and hematite .