San Carlos Moss Agate Rough Chunk! Thunderegg which also goes by the

which also goes by the name of Polychrome

Howardite is Opalised Silicate

and most were dug before the 70s

and even prior to the mine being government operated

San Carlos Moss Agate Rough Chunk! Thunderegg which also goes by theSan Carlos Agate is a stunning moss agate from near San Carlos, Mexico. This is a somewhat newer discovery, with gorgeous rough just now hitting the market. So far with our cutting, we have been greatly enjoying this stone, as it has some well defined moss with gorgeous coloration. It also appears it will take a nice polish. Photos are generally taken wet to simulate a polish. Weight: Approx: 1 lbs 5. 1 oz Measurements (inches longest approx): 3. 7 x