Yes, it is very rare!
Opal color in lionhead rabbits is a dilute shade of greenish-blue. It is a rare and unique coloration that gives the rabbit a striking and beautiful appearance.
An ammolite is a variety of rare and valuable opal-like gemstone, made from the fossilized shells of ammonites.
The most expensive opal ever recorded is the "Olympic Australis," a rare black opal found in Australia. It was valued at around $2.5 million and weighs approximately 17,000 carats. This opal is known for its stunning play of color and rarity.
The types of Opal that i am familiar with are White Opal, Fire Opal, Boulder Opal, Black Opal, Crystal Opal, Light Opal, Doublet Opal, Triplet Opal, Common Opal, Synthetic Opal, and Immitation Opal.
The rarest type of opal is the black opal, particularly those that originate from Lightning Ridge in Australia. Black opals feature a dark body tone that enhances their vibrant play-of-color, making them highly sought after by collectors. Other rare types include white opal with a unique play-of-color and boulder opal, which is formed within ironstone rock. Overall, the combination of color, clarity, and origin significantly impacts their rarity and value.
There are 5 basic types of opal. These types are Peruvian Opal, Fire Opal, Girasol Opal, Common opal and Precious Opal.
Opal is the Australian natural gemstone and is formed from a solution of silicon dioxide and water, it ranges in colors from clear to white, gray, red, orange, yellow, green, blue, magenta, rose, pink, slate, olive, brown, and black. However, it is brittle, heat sensitive, and breaks and scratches easily. They are very common and not at all rare. There are many different kinds of opal and the precious kinds are either black or white.
The cost of opal can vary significantly based on factors like quality, size, and type. Generally, prices can range from around £10 to several hundred pounds per carat for common opal, while high-quality black opal or rare varieties can exceed £1,000 per carat. For the most accurate pricing, it's best to check with jewelers or online marketplaces for current listings.
Another name for opal is "fire opal."
The fracture of an opal can be hard or smooth , An opal can have as many fractures as any other mineral can . Sometimes opal can be smooth , sometimes they can be hard . The fracture of an opal is hard and smooth .
Boulder opal is distinct from black opal in the following ways: * Boulder opal is usually mined in open-cut operations while black opal is mined in shafts. * Boulder opal is found in ironstone boulders, while black opal is found in seams.
India Opal Buloni (Opal) The Preacher (Opal's father) Winn-Dixie (Opal's dog)