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crothera Replies: 0 Views: 6489 |
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Recently I purchased what I believe is the entire collection of Minerals of the World , sold by the Franklin Mint. Buyers joined and received one small cabinet specimen each month at a cost of $44 ea ... | |
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crothera Replies: 18 Views: 16900 |
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Synthesis, as with many terms, has subject related descriptions. Notice I used "description" rather than definition, which I always told my students was a term the leads one to believe the t ... | |
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crothera Replies: 21 Views: 30216 |
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I've always wanted to be a pirate and have a chest of gems. My dad took me to see the gems at the Academy of Natural Sciences in Phila. when I was in 6th grade. Wow was I enthralled. He purchased a pi ... | |
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crothera Replies: 10 Views: 4895 |
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Obsidian is glass actually, but obviously not human made. Aquarium stores have sold pieces for display; maybe they were somehow thrown there. Unless you live near a volcano they are man made. | |
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crothera Replies: 344 Views: 228050 |
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After viewing the specimens shown here I get a sinking feeling I've wasted close to $10K on specimens I have bought. I simply love seeing the natural beauty! As a retired physical sciences teacher I h ... | |
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