fibonacci spiral - golden ratio - necklace

fibonacci spiral - golden ratio - necklace, cleavage, jana d, jewelry, metal, people, phi, sacred geometry, woman

Jana's necklace is a Fibonacci spiral that represents the "golden ratio".­

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Unclassified Photos (San Francisco)
San Francisco, California, USA

i don't know. i think this one was made as a unique piece.
where can I buy a pendant like this?