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Axinite Gemstones
Axinite Gemstone
Axinite is a group of brown to violet-brown or reddish brown minerals that sometimes occur in gem quality. Axinite is distinctive due to its strong vitreous luster when polished and its interesting pyro- and piezo-electric properties. Axinite is popular with mineral collectors because of its unusual crystal structure. Axinite is referred to as a "group" because there are a number of minerals with a slightly different chemical composition, but with a common crystal structure. All the axinite minerals have a triclinic structure with unique, flattened spatula-shaped crystals. The different members of the axinite group vary slightly in composition. The axinites are defined as calcium aluminum boro-silicates by composition. Members of the group are distinguished depending on whether the calcium is replaced by iron, magnesium or manganese. As the chemical composition varies, there are corresponding differences in color and specific gravity or density. 
Cushion-Cut Axinite Gem
The most common axinite varieties are: » Ferro-axinite; iron rich, lilac-brown to black with a specific gravity of 3.31. Axinite has a hardness of 6.5 to 7 on the Mohs scale and a refractive index of 1.656 to 1.704. It is a strongly pleochroic gem, meaning it displays different colors when viewed from different angles. Axinite is a fairly rare gem. Though it is sufficiently hard to be used for jewelry, it is so uncommon that few jewelers work with it. Axinite deposits are found in Brazil, France, Mexico (especially Baja California), Russia, Sri Lanka, Tanzania and Pakistan.
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Overall Rating -> 10 The website is quick, easy, good layout, very clear and easy to use. Posted By Mouse in February, 2023 Source: Bizrate Overall Rating -> 10 Website is very well organized, with a wide selection and thorough explanations on gemstone variety and treatment. Posted By AstridW in June, 2022 Source: Bizrate Overall Rating -> 9 I was led to the site by google when looking for specific green sapphire briolette. Site is well laid out and very easy to purchase from. Hope the stone is as satisfying! Posted By Flutie in March, 2023 Source: Bizrate Overall Rating -> 10 This site is *amazing*! The vast selection is almost enough to make you giggle. Oh, wait…If you want it, it’s probably here. I’ve read some reviews saying it’s hard to use the search filters but I found the opposite to be true. In fact, it’s plain fun to throw different filters on and see what you come up with. I ordered a small stone to sort of try them out and, dang! I’m so thoroughly impressed that I think I found a new hobby. The stone I got was exact what was represented on the site. So much so that I had to really look to see the difference between the picture and the stone that I got. And the range of prices. Wow! From a few dollars to tens of thousands if you’re into like, Ruby’s, Emerald’s, Sapphire’s and other gems that make you drool. And the cuts! The shapes and cuts are just plain gorgeous!Honestly, I can’t possibly say just how happy I am with this purchase! Now… off to make another… Posted By Tom_63 in July, 2022 Source: Bizrate Related Articles Tourmaline Gem Info Tourmaline Information - The most colorful gem on Earth ... Gemstone Type List Gemstone Type List: A Complete List of Colored Gemstones ... Gemstones By Color Gemstones by Color: A Color Guide for Gemstones with Images and Details ... Collecting Gemstones Collecting Gemstones - Could anyone ever gather them all? ... Muscovite and Fuchsite Muscovite and Fuchsite ... Axinite Info Axinite Gemstone Information - GemSelect ... More Collector's Gems Unusual Gemstones for Collectors ... Ulexite: A Fiber Optic Gem Ulexite: A Natural Fiber Optic Gemstone ... |
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