5.18g Dioptase Crystal Cluster from Congo MineralSpecimen It has a deep green

It has a deep green color with a good change in daylight

but this piece is very fine cutting material that will have a good yield

This single sided piece has a beautiful color gradient that has beautiful flowing lines through it

these specimens do oxidize so the weight can vary slightly

Measurement: 101mm x 80mm x 65mm

5.18g Dioptase Crystal Cluster from Congo MineralSpecimen It has a deep greenThis is an amazing thumbnail sized dioptase crystal cluster. This piece has a beautiful deep blueish green color and great crystal structure. The crystal terminations are fairly gemmy, too (when back lit). We consider this piece to be a Thumbnail (TN) sized mineral specimen. Locality: D. R. Congo Measurements: 20. 4mm x 18mm x 13. 3mm Weight: 5. 18 grams