Birthstone Series: Opal
Opal is a form of silica and it is the birthstone (along with Tourmaline) for the month of October. Natural History Museum specimen number: 1908, 235. Photographed by Harry Taylor
Picture No
10714706
Media ID
47617514
Size
3448px x 2380px
(4.4MB)
Credit
Mary Evans / Natural History Museum
Source
Photograph from the Natural History Museum Collection
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Birthstone Gemstone Geological Mineral Mineralogy Mineraloid Opal
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