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Mineralogia
5 progetti disponibili
Progetti (5)
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
di Astro
Vichinghi
33
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0
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1
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Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
di Astro
Vichinghi
30
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0
0
1
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Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone
di Peter
Chimica
23
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0
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1
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Pericoloso
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
di Peter
Chimica
24
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5
0
Panning Gold from Alluvial Deposits — Gravity Separation of the Noble Metal
di Peter
Chimica
35
0
0
0
0
0