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Gemstones, Minerals & Fossils
Gemstones and Minerals
Help with Identification.
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<blockquote data-quote="Ditch" data-source="post: 312823" data-attributes="member: 9183"><p>Thanks for everyones feedback in helping to identify this specimen. Trying to work out what it is just from photographs is difficult, I have looked at many different websites & it is hard to tell what it is based on just looking at pictures. In the images I posted the crystals look to have a blue hue to them, but in natural light they are definitely black. Your suggestions of other minerals it could be helped in narrowing down what it might be.</p><p></p><p>What I have found out by reading those articles & learning more about the terms used to describe certain minerals has helped me in knowing what to look for & how to describe it a little better.</p><p></p><p>Colour - Black</p><p>Lustre - Vitreous</p><p>Diaphaneity- Opaque</p><p></p><p>It also has vertical striations.</p><p></p><p>Hornblende & Kyanite were suggested as possible candidates but I think the crystals are too opaque. I do not have the equipment required to do a streak or hardness test, but will look into getting some for future use</p><p></p><p>Based on those findings I think I have narrowed it down to Schorl, or Black Tourmaline, the most common form of Tourmaline.</p><p></p><p>Thanks again, I have learned quite a bit more about what to look for when identifying minerals & gems in the last few days. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p>Cheers, Ditch.</p></blockquote><p></p>
[QUOTE="Ditch, post: 312823, member: 9183"] Thanks for everyones feedback in helping to identify this specimen. Trying to work out what it is just from photographs is difficult, I have looked at many different websites & it is hard to tell what it is based on just looking at pictures. In the images I posted the crystals look to have a blue hue to them, but in natural light they are definitely black. Your suggestions of other minerals it could be helped in narrowing down what it might be. What I have found out by reading those articles & learning more about the terms used to describe certain minerals has helped me in knowing what to look for & how to describe it a little better. Colour - Black Lustre - Vitreous Diaphaneity- Opaque It also has vertical striations. Hornblende & Kyanite were suggested as possible candidates but I think the crystals are too opaque. I do not have the equipment required to do a streak or hardness test, but will look into getting some for future use Based on those findings I think I have narrowed it down to Schorl, or Black Tourmaline, the most common form of Tourmaline. Thanks again, I have learned quite a bit more about what to look for when identifying minerals & gems in the last few days. :) Cheers, Ditch. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Help with Identification.
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