16-04-2026, 05:09 AM
As noted previously in the thread of "You are not allowed to view links. Register or Login to view." (p.5) from 14.01 2025
The "ice cube" from You are not allowed to view links. Register or Login to view. is blue vitriol.
Or Cu SO4 5H2O-- blue colour.
And the yellow heart is the sulfur, contained into it. In Alchemical theory vitriols are understood as combination of metallic
principle ( copper blue) with sulfurous principle (yellow).
In an era before standardized chemical names the blue colour had been a clear identifier. Just as green vitriol meant iron sulphate , or white vitriol - zink sulphate.
Also it is due to note, that in the medieval pharmacy after purification (elimination of toxicity) the blue vitriol was highly used in skin, eye, brain etc. diseases.
Given that folio 102v resides in the pharmaceutical section of VM, the identification that this cube is blue vitriol rests on strong circumstantial evidence.
The "ice cube" from You are not allowed to view links. Register or Login to view. is blue vitriol.
Or Cu SO4 5H2O-- blue colour.
And the yellow heart is the sulfur, contained into it. In Alchemical theory vitriols are understood as combination of metallic
principle ( copper blue) with sulfurous principle (yellow).
In an era before standardized chemical names the blue colour had been a clear identifier. Just as green vitriol meant iron sulphate , or white vitriol - zink sulphate.
Also it is due to note, that in the medieval pharmacy after purification (elimination of toxicity) the blue vitriol was highly used in skin, eye, brain etc. diseases.
Given that folio 102v resides in the pharmaceutical section of VM, the identification that this cube is blue vitriol rests on strong circumstantial evidence.
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