Closest to the mainland, lies the small island port village of Na Dan, commonly known as Ko Samet Village, with its nearby beach, Hat Sai Kaeo ( Glass Sand Beach; ), the longest beach on Ko Samet.
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Iran produces orpiment and realgar arsenic concentrates, silver, asbestos, borax, hydraulic cement, clays ( bentonite, industrial, and kaolin ), diatomite, feldspar, fluorspar, turquoise, industrial or glass sand ( quartzite and silica ), rockwool, garnet, gabbro, diorite, vermiculite, attapulgite, calcium, barium, rare earth elements, scandium, yttrium and zeolite, and had the capacity to mine onyx.
