Are these sabrina stones?

[pheasantvillecollectables519]

Or would you call them opalescent?

Here's the back:

[old.crows.nest]

In the picture the stones look like bicolour.

Check here for info on stone types:

http://imageevent.com/flippingtreasures/h2glassstonesandbeadsh2/h2specialeffectsh2

[pheasantvillecollectables519]

Thank you!

[babajp2012]

It's looks like not stones its some thing else

[mforjan]

They are glass and commonly referred to as "stones", sabrina and others are a type of glass stone