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Search found 12 matches |
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prospector Replies: 17 Views: 38115 |
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Peter
I like the butterfly calcite the best of the specimens that you show. Al |
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prospector Replies: 17 Views: 26024 |
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Interlibrary loan is probably going to be your friend. It isn't a cheep book and it is fairly technical, so I would go that route first to see if you actually want to shell out the money for it. It is ... | |
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prospector Replies: 17 Views: 26024 |
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I will look for that book, but it may be difficult to find. The crystal that I have just got back from being on loan is comparable size wise. | |
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prospector Replies: 17 Views: 26024 |
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Peter
One thing that I have found in regards to the crystal growth and influencing factors as to what crystal form will develop, is somewhat ambiguous. It would seem through reading what literat ... |
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prospector Replies: 17 Views: 26024 |
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Peter asked me to send you a thumbnail of the octahedral pyrite, so here it is. | |
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prospector Replies: 17 Views: 26024 |
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Peter
I will have a look at my data base and see what I have. I nearly had a big crystal for you but is split in two. It measured about 24cm, so there is still hope, but not until next year. Al |
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prospector Replies: 17 Views: 26024 |
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JimB
The best that I can do at the moment is a 1.5 inch floater. The majority of what I have are floaters which range up to 8 inches, Let me know about the 1.5 inch. The 8 inch is on loan and is ... |
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prospector Replies: 12 Views: 16648 |
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Maggie
The pyrite crystal crystal mining is coming along quite well. This coming Saturday I will be showing some pyrites and violet calcite crystals to the Canadian Museum of Nature in Ottawa. I a ... |
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prospector Replies: 17 Views: 26024 |
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I have been attempting to find the exact reason for the formation of this form of crystals and any attributing factors without much success. One point that seems to come up somewhat consistantly along ... | |
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prospector Replies: 17 Views: 26024 |
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Peter
I do not have any data that shows an arsenic content in the pyrites. That is not to say there is an absence of arsenic. It does show protochloride of cobalt at .775 cobalt oxide. From any i ... |
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prospector Replies: 12 Views: 16648 |
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Hello Maggie. You may have seen my posts and pictures on Mindat about Canadian octahedral pyrites? Im new on this site also ( https://www.mineral-forum.com/message-board/viewtopic.php?t=805 ) | |
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prospector Replies: 17 Views: 26024 |
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One of the most uncommon and impressive pyrite crysals must be the octahedral form. I have seen a few very good examples from Peru and none until now from Canada. I have been working a former pyrite m ... | |
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