Bright deep sky blue Kinoite crystals (Calcium Copper Silicate) in Calcite collected at the Laurium Copper mine, Houghton county, Michigan. It is 3 5/8" x 2 9/16" x 1 1/4", a rare specimen. Buyer pays all shipping by small flat rate box or international postal codes and extra insurance if requested and will combine items for cheaper shipping cost.  Thanks for looking and look at our store for other mineral specimens.