We moeten verifiëren dat uw registratie niet om een geautomatiseerde ingave in ons systeem gaat. Vervolledig aub de onderstaande test...
This website uses cookies. Please select the type of cookies you want to use on your device
Technical cookies are required to use this website
You can opt-out of optional cookies but some functionality might be limited
Dia.: 10,1 cm - H.: 9,1 cm
Blue John is a rare, banded variety of fluorite, found only in Derbyshire, England, prized for its striking blue and purple colours and used in decorative objects and jewelry. The name “Blue John” likely comes from the French phrase bleu-jaune, meaning “blue-yellow,” reflecting its colouration.