Dolomite (variety Co-bearing dolomite)

Kansalawile Mine, Tenke-Fungurume area, Kolwezi District, Lualaba, Katanga Copper Crescent, Katanga (Shaba)  Congo D.R.

Specimen size: 7.3 × 5.3 × 3.5 cm = 2.87” × 2.09” × 1.38”
Main crystal size: 1 × 0.8 cm = 0.39” × 0.31”