Double Terminated Quartz Cluster from Zeca de Souza DN724 rings These yellow fluorite specimens are

These yellow fluorite specimens are known for their beautiful zoning that is visible under UV light

Almost all of the cubes have several instances of color zoning

There is one small spot of damage on the main termination

This quartz pseudomorph after danburite from the Bor Mine

Obsidian is a very hard and brittle stone

Double Terminated Quartz Cluster from Zeca de Souza DN724 rings These yellow fluorite specimens areDouble Terminated Quartz Cluster from Zeca de Souza Approx. Dimensions: 3. 25x1. 75x1. 5 inches Approx. Weight: 64 grams Locality: Zeca de Souza Mine, Minas Gerais, Brazil Quartz from the Zeca de Souza Mine is known for its exceptional clarity and luster.