Mexican Fire Opal - Mineral Grade:A+ Grade Stone Type: London Blue Topaz

Stone Type: London Blue Topaz

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Approximate Thickness of 1 piece: 6mm

There are about 5 different mountains lapis lazuli is mined from

Approximate stone dimensions: 9mm x 8mm x 5mm

Mexican Fire Opal - Mineral Grade:A+ Grade Stone Type: London Blue TopazMined from: Mexico Description: Opal is mineraloid made up of tiny spheres of silica (silicon dioxide), which are held together in a jelly like matrix. Fire opal is a variety of opal known for its bright, fiery colors ranging from yellow to orange to red. The color of fire opal is caused by trace impurities of iron oxides, which can produce a range of colors from yellow and orange to red. Most often, fire opal does not exhibit the rainbow play of