“Reference: FR16AM5 The characteristic cube-octahedral Fluorite of Kara-Oba of dark violet color on a doubly terminated Quartz of a snow white color which gives a special contrast. The sample comes from the Jan Buma collection (num. 920301) and we’ll send the card of the collection with it. Kara-Oba, Betpak-Dala (Bet-Pak-Dala) Desert, Karaganda Region  Kazakhstan Specimen size: 12.6 × 4.5 × 4 cm = 4.96” × 1.77” × 1.57””