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5 blueprints available
Blueprints (5)

Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
ni Astro
Astronomy
13
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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
ni Astro
Archaeoastronomy
10
0
0
0
1
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Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone
ni Peter
Chemistry
19
0
0
0
1
0

Hazardous content
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
ni Peter
Mining
13
0
0
0
5
0

Panning Gold from Alluvial Deposits — Gravity Separation of the Noble Metal
ni Peter
Mineralogy
25
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0
0
0
0