2.5" Quartz with Chrysocolla from Tentadora Mine DX1528 poland making it an appealing example

making it an appealing example of green quartz from one of Russia’s most important mineral regions

this large specimen features pyrite and and quartz growth on sphalerite

located in the Dalnegorsk mining district of Russia’s Far East

picture sandstone exhibits a hardness ranging from 6 to 7 on the Mohs scale

The Tyndall effect is also the reason why blue chalcedony appears yellow or brown when strong light shines through it

2.5" Quartz with Chrysocolla from Tentadora Mine DX1528 poland making it an appealing example2. 5" Quartz with Chrysocolla from Tentadora Mine Approx. Dimensions: 2. 5x0. 75x0. 5 inches Approx. Weight: 21. 8 grams Locality: Tentadora Mine, Huancavelica, Peru This specimen features a single, well formed quartz point coated in botryoidal chrysocolla from the Tentadora Mine in Peru, a locality known for producing some of the finest quartz and copper mineral combinations in the world. Chrysocolla is a hydrated copper silicate that forms in the