Lesson plan
Vrbaite
Vrbaite (symbol: Vrb) is an opaque to subtranslucent brittle mineral with chemical formula Tl 4 Hg 3 Sb 2 As 8 S 20 and pyramidal crystals. It is names after Czech mineralogist . It is bluish white with red internal reflections and dark red in translucent thin fragments. It is classified in the class "sulfides and sulfosalts". Type locality: Allchar deposit, , Kavadarci Municipality, North Macedonia.
Article summary
Vrbaite (symbol: Vrb) is an opaque to subtranslucent brittle mineral with chemical formula Tl 4 Hg 3 Sb 2 As 8 S 20 and pyramidal crystals. It is names after Czech mineralogist . It is bluish white with red internal reflections and dark red in translucent thin fragments. It is classified in the class "sulfides and sulfosalts". Type locality: Allchar deposit, , Kavadarci Municipality, North Macedonia.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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