[img]http://www.daviddarling.info/images/augite.jpg[/img] 1. Identify the chemical composition of this specimen. 2. What mineral group does this belong to, and what other mineral(s) are also in the same category? BE SPECIFIC WITH THE FIRST PART. 3. What is it's main crystal structure? 4. What three trace elements that can be found residing in the mineral?
You know, there are other people who can answer.whythelongface wrote:I think I will pass on this one... answer reveal?
The question has been up for several days, I just don't feel like letting the thread die.Tailsfan101 wrote:You know, there are other people who can answer.whythelongface wrote:I think I will pass on this one... answer reveal?
I've been reading all of them but I thought if I answered too many then it would be interpreted the wrong way (plus I still mess up with the hide feature for answers lol)whythelongface wrote:The question has been up for several days, I just don't feel like letting the thread die.Tailsfan101 wrote:You know, there are other people who can answer.whythelongface wrote:I think I will pass on this one... answer reveal?
ScottMaurer19 wrote:I've been reading all of them but I thought if I answered too many then it would be interpreted the wrong way (plus I still mess up with the hide feature for answers lol)whythelongface wrote:The question has been up for several days, I just don't feel like letting the thread die.Tailsfan101 wrote: You know, there are other people who can answer.
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[hide]Shown text|Hidden text[/hide]Okay, well here is your answer for this: 1. Augitewhythelongface wrote:I think I will pass on this one... answer reveal?
(it's hard to in pictures. I wasn't sure which one it was myself) Cleavage plane angles, hornblende is sparklier, augite typically has a greenish tint, hornblende is typically black, etc.whythelongface wrote:What are your tricks for identifying augite/pyroxene vs. hornblende?
Basically what Scott said, but also hornblende is usually more lustrous? Maybe I'm using the wrong terminology but not sure.ScottMaurer19 wrote:(it's hard to in pictures. I wasn't sure which one it was myself) Cleavage plane angles, hornblende is sparklier, augite typically has a greenish tint, hornblende is typically black, etc.whythelongface wrote:What are your tricks for identifying augite/pyroxene vs. hornblende?