Mr

Crystal Formation Lab (groups) Amongst the Rocks (pairs) ... (common in Ontario) light green to white 2 to 2.5 green to grey green 2.6 to 3.3 commonly in foliated crystal aggregates, also radiating fans perfect basal cleavage (Mg,Fe)5(Al,Fe)2Si3O0(OH)8 chlorite (very common in Ontario) white to yellow and brown 3.5 to 4 red-brown to black 3.9 ... ................
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