I found chalcedony!
Flints, Cherts and chal-cedony are all sedimentary formation phenomenon; as they are actually micro- filamnts of microscopic Radiolarian sea animals that trap silica to make snow-flake shells. The difference of terms is largely geographic.
I found chalcedony! belongs to the following groups:
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Tim Denny, 2 months ago
Looks like a good find, Dave, good job
Carla Jandelle..., 2 months ago
ooooo u need a macro!!!
Ushna Sardar, 2 months ago
it’s fantastic series Dave! you exploring new nice things! like .. clours, sands, water etc .. thanks for sharing!
ELENNE BOOTHE, 2 months ago
Wow!! another great one. You had a wonderful day I bet.