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Orange
Spiny Oyster | |
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Paula says - "When we get estate lots in, there are often interesting but non Native-America-made items mixed in. I gather those in a box and when the box gets too heavy for me to lift, I start sorting."
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What is Spiny Oyster?Spiny oyster, not surprisingly, is an oyster that is covered with spines. Like coral or mother-of-pearl, the shell of spiny oyster is considered an organic gemstone. The portion of the shell used to make jewelry is aragonite, which consists of calcium carbonate (CaCO3). Aragonite has the same chemical formula as calcite. Spiny oysters are found along the Atlantic coast of Baja California and Baja Mexico. Common colors vary from orange, found in shallow waters, to red and purple from deeper waters. The shell is also found in white, yellow, pink and brown. Polished shell has definite striations and color variation. Red spiny oyster has been used as a subsititute for coral. |
What is the Bargain Barn?The items in the
Bargain Barn are a mixed bag, new and used, some with materials, date and origin
unknown. For vintage items visit our Vintage Shop. For new items visit our New Jewelry Store. |
Our
Rescue Mission |