Phosphosiderite beads Color: purple Size between 4 and 12 mm. Country of Origin: United States (Arizona). Phosphosiderite gemological information: Possible color: purple to reddish purple, pink-red, peach pink, brownish yellow, moss green, colorless. Density: between 2.74 and 2.76. Hardness: between 3.5 and 4. Crystal system: monoclinic. Break: uneven. Cleavage: good, indistinct. Refractive index: between 1.692 and 1.739. Different countries where phosphosiderite can be extracted: Austria, Tasmania, Belgium, Colombia, Italy, Mozambique, Russia, the United States (Nevada, Florida, Colorado.).