These are a new shade of Preciosa Mexican Opals.
PLEASE NOTE: Setting is not included in this listing but is one of the 18mm settings available in my shop:
Color: Red with purplish blue fire
Origin: Czech Republic (Preciosa brand)
PLEASE NOTE: Please read my store policies before agreeing to purchase.
LINK TO POLICIES --> http://www.etsy.com/shop_policy.php?user_id=5963982