available at https://www.zibbet.com/ameogem-jewellery/a-matrix-of-genuine-fire-opal-and-pyrite-oval-gemstone-925-solid-sterling-silver-fabulous-pendant-jewellery-free-silver-chain

This pendant is a matrix of slices of fire opal in Pyrite. Photos were taken under natural sunlight, You can see the color variation of the Fire Opal.

This Fire Opal has some magnificent patterns and brilliant colors. The colors are very striking with different tones of blue, green, pink and sometimes a hint of red and violet.

Opal is the birthstone for the month of October and for the 14th anniversary.
Pendant Specifications
GEMSTONE : Natural Fire Opal & Pyrite
HARDNESS : 5.5 Mohs Scale
LOCALITY : Ethiopia
COLOR : Bright blue, Red, Green with dark silver matrix of pyrite
TREATMENT : Unheated
SHAPE/CUT : Oval Facet
GEM SIZE : 2.5 x 1.7 cm
PENDANT SIZE: 3.5 x 1.8 cm