Tanzanite | Round Cut | 5.3mm 0.57ct | Tanzania briolette This is a very nice

This is a very nice specimen combining large white Stilbite and clear Apophyllite crystals on a Quartz druze

Dimensions:  40 mm / 1

This is called contact metamorphism

Approx Weight (per piece):  17

Tanzanite | Round Cut | 5.3mm 0.57ct | Tanzania briolette This is a very niceProduct Type: Tanzanite Approx Weight (per piece): 0. 57ct Size: 5. 3mm Shape: Round Cut Color: Purple Clarity: Clean to the eye Origin: Tanzania, Africa Tanzanite is renowned for its intense blue and violet colors, but can also be golden, green, lilac and peacock (blue and green). The sole source of tanzanite is the Merelani Hills in northern Tanzania. Discovered in the 1960s, tanzanite is considered rarer than diamonds due to its single source