Beautiful specimen from Bolivia with several well shaped Cassiterite crystals of extraordinary brightness in a deep honey brown almost black color associated with a myriad of small Siderite crystals densely packed together forming a deep brown carpet Origin: Viloco Mine - Loayza Province - La PAz Department - Bolivia Size: 7 X 4.4 X 2.3 Cm. Weight: 138 Gr Please keep in mind that photos are taken inside a box with LED lights and that the colors may be slightly different. Detail photos are obviously enlarged to show the particularities at their best. If youd nee you can contact us to have videos of the piece taken in daylight