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Gemstones, Minerals & Fossils
Gemstones and Minerals
Prehnite Crystal From Prospect Quarry, Sydney N.S.W.
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<blockquote data-quote="Syndyne" data-source="post: 20269" data-attributes="member: 378"><p>Hi all,</p><p></p><p>Here's another specimen that I'd like to share. It a nice little specimen of Botryoidal Prehnite from the old quarry at Prospect N.S.W. Most of the great quality Prehnite specimens in the world came from the one quarry there. And as most things go today, it's probably off limits for prospecting. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4" alt=":mad:" title="Mad :mad:" loading="lazy" data-shortname=":mad:" /> </p><p></p><p>Prehnite from Prospect has a special crystalline structure in that it forms in the Botryoidal system (shperical radiating blades). While many other gemstones, such as Malachite, Agate and Hematite (I also have a nice specimen of Botryoidal Hematite) etc. are also found in Botryoidal form now and again. Prehnite is really quite rare in this form making it very sought after. </p><p></p><p>Its a beautiful structure for crystal formation and really refracts light very nicely. </p><p></p><p>If you're lucky enough to have a piece, by all means post it up here!</p><p></p><p>I took two similar shots here. The first one under yellow, ordinary light and the second using some white LED's just to see if I could get the colour to become more vibrant. This specimen is only about ten centimetres across with spheres in the six millimetre to two centimetre range. </p><p></p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/378/1374655559_prehnite1_copyshaun_galman_2013.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="https://www.prospectingaustralia.com/forum/img/member-images/378/1374655799_prehnite2_copyshaun_galman_2013.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Kindest regards,</p><p>Shauno.</p></blockquote><p></p>
[QUOTE="Syndyne, post: 20269, member: 378"] Hi all, Here's another specimen that I'd like to share. It a nice little specimen of Botryoidal Prehnite from the old quarry at Prospect N.S.W. Most of the great quality Prehnite specimens in the world came from the one quarry there. And as most things go today, it's probably off limits for prospecting. :mad: Prehnite from Prospect has a special crystalline structure in that it forms in the Botryoidal system (shperical radiating blades). While many other gemstones, such as Malachite, Agate and Hematite (I also have a nice specimen of Botryoidal Hematite) etc. are also found in Botryoidal form now and again. Prehnite is really quite rare in this form making it very sought after. Its a beautiful structure for crystal formation and really refracts light very nicely. If you're lucky enough to have a piece, by all means post it up here! I took two similar shots here. The first one under yellow, ordinary light and the second using some white LED's just to see if I could get the colour to become more vibrant. This specimen is only about ten centimetres across with spheres in the six millimetre to two centimetre range. [img]https://www.prospectingaustralia.com/forum/img/member-images/378/1374655559_prehnite1_copyshaun_galman_2013.jpg[/img] [img]https://www.prospectingaustralia.com/forum/img/member-images/378/1374655799_prehnite2_copyshaun_galman_2013.jpg[/img] Kindest regards, Shauno. [/QUOTE]
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Gemstones, Minerals & Fossils
Gemstones and Minerals
Prehnite Crystal From Prospect Quarry, Sydney N.S.W.
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