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October birthstones - The Fabulous Opal and Dazzling Tourmaline

  • by shoprmc gems
October birthstones - The Fabulous Opal and Dazzling Tourmaline

Those born in October enjoy two spectacular birthstones to commemorate their birthdays – opal and tourmaline. Both October birthstones have endless color combinations and beautiful coloring characteristics. Learn more about these two October birthstones and discover the perfect gift for those born in the tenth month.

October birthstone – The fabulous opal

The opal is a legendary gemstone, famous for its colors and unique, unmistakable individuality. These classic gemstones are typically one-of-a-kind. Each gemstone is exceptional.

Opals as birthstones

Writers have spent thousands of years trying to describe opals. Even in ancient times, the opal was considered remarkable. Some ancient cultures thought that opals fell out of the sky during thunderstorms and contained lightning. As a birthstone, the opal is believed to relate to the gift of prophecy, purity, and hope. It is also believed to protect from disease.

Opal basics

Opals are formed as a result of a unique form of mineralization which creates a complete spectrum of colors using a combination of silica and water. It takes about 5 million years for an opal to mineralize. Opal is typically found in sedimentary rocks.

There are many different types of opal from around the world due to different environments and different elements in mineralization. Opals typically come from Ethiopia, Australia, and Mexico, with some opals found in Europe.

Opals are sold in different forms. A simple "flat-looking" smaller opal is called a double. A solid opal is called a triple and looks very three-dimensional. Due to the extraordinary range of opals, and the many different types of coloring, opals can be both cheap and very expensive.

Opal jewelry designs

Opals are very much in demand in jewelry design. In some cases, they form the centerpiece of extremely expensive jewelry, surrounded by diamonds, for example. In other cases they are standalone gems, mounted on rings, brooches, or similar configurations.

Shopping for authentic opals online

Opals are also unique in that they are often found in both top of the market and mainstream market jewelry. There are also such things as artificial opals, used as colorization and not really in the same quality league as natural opals.

Shopping for opals online can be very time-consuming. Due to the huge range of unique gemstones, a further problem can be that what you see online isn't necessarily what you get.

Top quality opals are definitely expensive. The most expensive are solid triples, which may include dazzling fire opals, serene Ethiopian opals, and other varieties.

A few basic purchasing tips:

  • Artificial opals look "flat" in shape. Natural opals are highly irregular, and easily differentiated.
  • It is strongly advised to ask for certification of authentic opals for any significant purchase.
  • Natural opals are dramatically beautiful. It's fair to say that the more stunning the opal, the more likely it is to be authentic.
  • Sourcing particular opals may need to be done at the point of sale. Due to an exceptionally high turnover, even by jewelry industry standards, selection of individual stones may need to be arranged.

MEET THE DAZZLING TOURMALINE FAMILY

The tourmaline group includes a very broad color spectrum caused by different types of minerals and mineralization processes. Tourmaline is particularly popular as a very versatile design gemstone. The many different color ranges are particularly prized by jewelers as allowing a life of creative freedom for fabulous designs.

The technical side of tourmaline
Tourmaline is technically a "crystalline boron silicate". The colors come from combinations of other metals, like potassium, aluminium, lithium, and similar elements. Tourmaline is relatively hard, approximately 7 – 7.5 on the Mohs hardness scale.

Tourmaline is also a very stable mineral, with some of the best gemstone is formed by hydrothermal action. Tourmaline crystals are sometimes formed in huge sizes during these processes.

Tourmaline quality is basically judged by richness of color. The deeper the colour, the better the gemstone is the basic theory. That theory, however, is a little simple. Due to the need to match colors in jewelry designs, "purity of colour" is probably a better definition of quality.

To make the distinction clearer – Aquamarine, a famous member of the tourmaline family, is best known for its brilliant pale coloring. Large pale aquamarine crystals are often featured in upscale jewelry.

 

Need some help finding your beautiful opal and tourmaline?

If you're looking for opals or tourmalines, RMC can help you with expert guidance and a fabulous range of gemstones. Just call us or talk to our experts online for any help you need, we'll be happy to assist.


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