Detecting Minerals through chemistry

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Discussion Overview

The discussion revolves around methods for detecting minerals in rocks, specifically focusing on magnesium in lava flows in Hawaii. Participants explore various chemical approaches and practical considerations related to mineral detection.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant inquires about methods to detect minerals in rocks, mentioning the color change of rocks when soaked in water as a potential indicator.
  • Another participant warns about the dangers of handling lava due to its high temperature and suggests that iron is abundant in lava, which could influence mineral detection.
  • A third participant clarifies that their focus is on hardened lava rocks and sulfur crystallization, indicating that they are not pursuing iron detection.
  • Further suggestions include assessing the participant's access to chemicals, grinding the rocks into powder, and investigating the effects of sodium hydroxide and sodium carbonate on magnesium ions.

Areas of Agreement / Disagreement

Participants express varying levels of experience and focus on different aspects of mineral detection, with no consensus on a specific method or approach. Multiple viewpoints on the topic remain present.

Contextual Notes

Some limitations include the lack of information on the participant's grade level and access to laboratory chemicals, as well as the specific conditions under which mineral detection methods may vary.

Who May Find This Useful

This discussion may be useful for students or individuals interested in geology, chemistry, or mineral detection techniques, particularly in volcanic environments.

Tetraspace
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What is a way to detect minerals through rocks? For example soaking water in some rocks cause the rock to change a certain color to indicate that it has a certain mineral. I'm doing magnesium in lava flows in the island of Hawaii. Yes I live in Hawaii. If you could give me some ideas that would be good. Thanks :biggrin:
 
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First man, don't mess with lava too much, it is hot :smile:

Well, since we don't have such experience in our hometown, it is new for me, but don't forget that iron is very plentiful in lava, so any mineral is very likely to be of iron.
 
Well we're only testing hardned lava rocks and some crystallization of sulfur. Secondly someone already took the iron project.
 
1. What grade are you in, and do you have access to chemicals in your lab ?

2. Grinding little bits of the rock into a powder helps a lot.

3. Find out the effect of sodium hydroxide (NaOH) and sodium carbonate (Na2CO3) on magnesium (Mg 2+) ions. Google might help.
 

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