I mean, was glass/streak plate provided?ali941 wrote:I mean, there were distinct differences in the samples, my partner and I just weren't prepared enough to recognize it. Plus, we did bring our own magnifying glass, which was somewhat helpful.darkdeserthighway wrote:Was anything provided at that station to help with ID?ali941 wrote: Last year was my first year in SciOly, and at my first invitational, there was apparently a decent-sized piece of uncut, unpolished diamond. I say apparently because it was at a station with four other clear-white minerals and I was unable to identify it.
Rocks and Minerals B/C
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Re: Rocks and Minerals B/C
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Re: Rocks and Minerals B/C
From what I remember, yes. Most stations had streak plates.darkdeserthighway wrote:I mean, was glass/streak plate provided?ali941 wrote: I mean, there were distinct differences in the samples, my partner and I just weren't prepared enough to recognize it. Plus, we did bring our own magnifying glass, which was somewhat helpful.
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Sounds of Music, Rocks and Minerals, Dynamic Planet, Metric Mastery: 2nd, Regionals
Hopeful 2014 events:
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The sky ain't sky blue. Who'da thunk it?
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Re: Rocks and Minerals B/C
oh, ok
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Re: Rocks and Minerals B/C
Does anybody who has done this event before know how "economic importance" will be on the exam? Would this be uses of the rock/mineral on the test or something else?
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Re: Rocks and Minerals B/C
Economic Importance is usually about how the rock/mineral is used and how it's important to the economy and our lives. For example, one of the economic importance's of bauxite is that it is the ore of aluminum.
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Re: Rocks and Minerals B/C
Makes sense...and also what would "clues to past environments" entail of?
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Re: Rocks and Minerals B/C
It means that like some minerals/rocks provide clues as to how the land was thousands of years ago. For example, specific types of coal may indicate that the land was once a dense swamp filled area.
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Rocks and Minerals B
Why is Goethite and Limonite together on the List for 2014, but are pretty much completely different????
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Re: Rocks and Minerals B/C
19puppylover wrote:Why is Goethite and Limonite together on the List for 2014, but are pretty much completely different????
They have pretty much the same composition....
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Re: Rocks and Minerals B/C
In fact, Limonite is no longer an actual mineral but a term used for a group of minerals, of which Goethite is the most common.
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