Photo 1
From top left and clockwise:
1. Chinese freshwater pearls, the dark ones being dyed (which you posted previously.)
2, 3 and 4 across the top, left to right: all freshwater pearls. The dark ones are dyed.
5, 6 and 7 in the 2nd row: possibly akoya; freshwater; akoya in the ring (but the nacre seems thin)
8, 9 and 10 in the 3rd row: All freshwaters, the dark ones being dyed
11,12 and 13 in the bottom row: dyed freshwaters; white freshwaters; and can't say for sure about the one on the right; could be akoya.
14 bottom left: akoyas but I don't like the blemishes I see on some of them. Not great quality.
Photo 2 left to right
Top row, freshwaters on the left with Honora tag visible on the bottom (Honora is a good brand); on the right white freshwaters with Tahitians
Row 2: left to right: the same not-great quality akoyas as we saw in the first photo; white freshwaters with black beads of some kind, maybe onyx; freshwaters with maybe purple jade beads; freshwaters
Row 3: all freshwaters
Row 4: freshwaters; freshwaters with cream colored SSP; freshwaters; freshwaters
The little rice krispie shaped fw were common in the 1970s and 1980s. They were cultured in the Cristaria plicata mussel in China.