Demystifying Opal — What is Boulder Opal

Boulder Opal.
Stone Opal is a kind of opal that is still connected to its host rock, which is normally an iron stone or fossilized sandstone. During Boulder Opal development, silica-rich water seeps into fractures and forms opal, when the silica spheres line up perfectly you get valuable opal or opal with play-of-color. The size of the silica identifies the flashes of color that you see. The smaller spheres will offer you blue and after that you go all the method up the rainbow to the largest sphere, red. Opal actually breaks light instead of showing it like most other gems. Light going into in the gem twists around the silica sphere and causes the light to get into spectral colors.
It is difficult to remove this opal from its host rock without damaging the opal and generally the seams of opal are so thin it would not deserve the effort. Buying rough stone is hard, you never ever understand what is on the risk and the within is huge.

Full Faced Boulder Opal.
Lastly, we have actually full faced Boulder Opal, where opal is covering the entire face of the gemstone. This kind of Boulder Opal tends to command the highest cost in Boulder Opal world and can measure up to rates of the finest Black or Light Opal.
Its really hard for me to choose a favorite kind of opal, however when required I constantly say Boulder Opal. Perhaps due to the fact that its a treasure I never understood existed or since its just freaking incredible!
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The post Demystifying Opal — — What is Boulder Opal appeared first on Gem Gossip – Jewelry Blog.

Koroite Boulder Opal.
Second is Koroite, I feel its best pronounced with an Aussie accent! This product appears like a painting with opal weaving between contrasting colors of iron stone.

Boulder Opal is a type of opal that is still linked to its host rock, which is normally an iron stone or fossilized sandstone. During Boulder Opal formation, silica-rich water permeates into fractures and forms opal, when the silica spheres line up completely you get precious opal or opal with play-of-color. For this factor, its normal to see boulder opal with undulating surfaces as the cutters follow crevasses filled with opal in the host rock.

Among my favorite gems is OPAL — — so it comes as no surprise I often sell lots of opal pieces over on shopGemGossip. Recently, I sold out of the boulder opal pendants I posted, which got a great deal of attention for their charm but likewise a great deal of concerns from collectors. Just what is boulder opal? And why isnt it simply called opal?
I knew I could rely on my friend and colleague Brecken Farnsworth of Parlé because they sell a few of the very best opals Ive seen in my entire profession. Take it away, Brecken…….
His household started their company as Opal miners turned Gem dealerships turned Jewelry Manufacturers, but that is a story for another day. At the time, and to my minimal knowledge, I believed the only type of opal that existed was a milky light opal. My mom took that ring back to our jeweler three times because the opal didnt have sufficient fire in it!
On that fateful first see to Parlé, I keep in mind Frank, Jonathans Dad, showing us a parcel of opal he had just bought. Well it was and is a gorgeous type of opal called Boulder Opal.

At the time, and to my minimal understanding, I thought the only type of opal that existed was a milky light opal. Well it was and is a beautiful type of opal called Boulder Opal.

Boulder Opal Matrix.
In Boulder world, we have several types. Is Boulder Opal Matrix. This material has a lot of noticeable iron stone with seams of opal running through the face up view of the gems.

Seams in Boulder Opal Rough.
Our cutters “Chase the fire.” It is a term we utilize that indicates following the joint of opal through the iron stone. For this factor, its normal to see boulder opal with undulating surface areas as the cutters follow crevasses filled with opal in the host rock. This provides you incredible organic shapes and intense colors because of the darker nature of iron stone. It prevails to see Boulder Opal that displays iron stone spots on the surface area of the gem like a charm mark. I like to consider them like moles … you can have a mole that enhances your look like Cindy Crawford or you can have the opposite, something that diminishes the gem. But worldwide of Opal, beauty remains in the eye of the beholder!

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