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Showing results for tags 'agates'.
This is all I have so far, the biggest being about 7/8". Compared to the carnelian and "onyx" black banded agates, blue and green are hard to find, with green being the hardest to find in my experience. Books mention yellow being even rarer, but I have never seen a yellow one. I doubt they would hold much eye appeal with the low contrast of yellow on white bands. The Germans knew how to dye them red in the 18th century, but the blue dye didn't start until 1845, then green in 1855 according to "Colonial Period and Early 19th-Century Children's Toy Marbles". Possible other reasons