Opals, with their mesmerizing play of colors and captivating patterns, have fascinated jewelry enthusiasts and gem collectors for ages. However, as with many other gems, there are myths, misconceptions, and genuine questions surrounding this gemstone.
If you know...you know....NOW YOU (will) KNOW!
1)
How is Opal Formed?
Opals are formed from a solution of silicon dioxide and water. When water runs down through the earth's crust, it picks up silica from sandstone and carries this solution into cracks and voids, caused by natural faults or decomposing fossils. Over time and under certain conditions, the water evaporates, leaving behind a silica deposit. This process takes millions of years, and with the right combination of temperature and minerals, opals are formed.
2)
Why does Opal Show So Many Colors?
The captivating play-of-color in opals is due to its internal structure. Opal consists of countless tiny spheres of silica, which diffract light to display various colors. The size and alignment of these silica spheres determine the colors that an opal will display. Larger spheres will produce reds and oranges, while smaller ones result in blues and greens. The precise arrangement and size distribution of the silica spheres create a unique display for each opal.
3)
Is it True That Opals Bring Bad Luck?
This is a myth that dates back to ancient times but gained traction in Europe during the 19th century. The superstition likely stems from the novel "Anne of Geierstein" by Sir Walter Scott, where the opal-wearing protagonist suffers misfortunes. The truth is, opals have been considered symbols of hope, purity, and truth by various cultures. In ancient Roman history, opals were a symbol of love and hope.
4)
How Should I Care for My Opal Jewelry?
Opals are similar in hardness to glass and should be treated with care. To ensure the longevity of your opal jewelry:
Avoid Sudden Temperature Changes: Rapid temperature shifts can cause opals to crack.
Stay Away from Harsh Chemicals: Always remove opal rings when washing hands or doing household
Handle with Care: Being softer than many other gemstones, opals can be scratched easily. Wear them with care and avoid knocking them against hard surfaces.
5)
Are all opal the same?
No, opals come in a variety of types, mainly distinguished by their background color and origin. Some common types include:
Black Opal: Valued for its dark body color, which provides a vibrant play-of-color.
White Opal: Has a light or white body color with a subtle play-of-color.
Boulder Opal: Found on ironstone boulders in Queensland, Australia, these have a layer of solid brown ironstone on the back.
Crystal Opal: Transparent to semi-transparent with a clear play-of-color.
Fire Opal: Ranges from orange to red, often without the typical play-of-color.
