Natural Ametrine quartz (Brazil) 10-16mm graduate round beads (ETB00720) Porcelain Jasper

Natural Ametrine quartz (Brazil) 10-16mm graduate round beads (ETB00720) Porcelain JasperAmetrine from Brazil Ametrine, also known as trystine or by its trade name as bolivianite, is a naturally occurring variety of quartz. It is a mixture of amethyst and citrine with zones of purple and yellow or orange. Almost all commercially available ametrine is mined in Bolivia, although there are deposits being exploited in Brazil and India. The colour of the zones visible within ametrine are due to differing oxidation states of iron within the

often with crystal formation/growth

Size: 16 x 25 x 10 mm

5 x 6 - 23 x 42 x 6

Dimensions: smallest- 19x25x14mm(approx)

5 - 20x25x7

Also rare and very highly esteemed are tourmalines which appear to change their colour and cat's eye tourmalines

Dimensions of beads: (measurement is approx) smallest bead: 25mm(w)x22mm(h)x 8mm(d) largest bead: 32mm(w)x53mm(h)x9mm (d) Length of this strand: 19

Agate hunting in Morocco is not very popular

accordingly

Dimensions: smallest- 18x18x10mm(approx) largest- 19x32x14 / Length: 16inches/410mm/ Origins: Peru

Length: 18 INCHES

the smallest bead : 26 x 26 x 6 mm