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Paul Prudence
@paul-prudence
Illustrations from Physikalische Krystallographie – Paul Heinrich Groth [1885]
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_slow_crypto 🌅⏳🪁
@slowcrypto
More beauties! Any context? (I could totally Google, sure, but where’s the social fun in that?)
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Paul Prudence
@paul-prudence
They were taken from an old blog post I made in 2016. Site not longer functioning. 'The Virtual Museum of the History of Mineralogy contains a large collection of scans from monographs on crystallography and mineralogy, arranged by author in alphabetical order, from 1450 to 1912. The chromolithographs of optical interference figures, mostly from the 19th century, record the passage of light through crystal lattices to reveal a corresponding geometric figure. Visualising the interference and chromatic polarisation of light during short mineral detours allowed mineralogists to decrypt the chemical constitution and locate the geological origin of each wafer-thin sample; photons moving at light speed were coaxed into perusing time-spans of billions of years....
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Paul Prudence
@paul-prudence
...The proto-op art configuration of the figures echo the morphologies of Kluver’s Form Constants, Purkinje’s taxonomy of visual subjective phenomena and Chladni’s figures (which are, after all, also captive remnants of the properties of wave vibration). These intelligible ornaments deserve a place in collective unconscious for optical and spectral phenomena' (The link to the collection mentioned in the post no longer exists) Hope that's useful!
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