Spiny dye-murex

Figure L Shells of marine snails used in purple dyeing. Left to right banded dye-murex (Trunculariopsis trunculus) for hyacinthine purple (tekhelet), spiny dye-murex (Bolinus brandaris) for Tyrian purple (arga-man), and the rock shell Thais haemastoma for Tyrian purple (argaman).

Figure 6. Crude colors developed from hypobranchial extracts of banded dye-murex (left, blue label), rock shell (center, yellow label), and spiny dye-murex (right, red label).

Figure 7. Green label synthetic indigotin blue, yellow, and red labels purified extracts in chloroform solution of dyes from banded dye-murex, rock shell, and spiny dye-murex, respectively, prepared from the crude...

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