820f5461_Mineral_ID_Key__2
[0] Pale-yellow to Yellowish-brown, Orange-yellow to Orange-red, White to Colorless [1] 3½ to 4 [3] MIMETITE (Apatite Group): Pb5(AsO4)3Cl [4] Hexagonal [5] usually in simple barrel-shaped prismatic crystals, rarely tabular or acicular, may be botryoidal or globular [6] 7.28 [7] Difficult to distinguish from pyromorphite without tests for AsO4 vs. PO4; Named for the fact that it closely mimics pyromorphite [2] 
luster sub-vitreous to resinous
Mineral ID_Key
2