Newbie question - anyone know what this is?

[gendos]

Hi guys...found this rock outside. Doesn't look like much, but just wondering if anyone here knows what this might be.

Thanks.

 

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[Eu_citzen]

Looks like Mica, biotite possibly?

 

[gendos]

Biotite Schist?

 

[Eu_citzen]

Schist has a layered structure, often as a horizontal plane. Take a look.
Could just be a mass of smaller biotite crystals, also.

 

[gendos]

Got it...thanks for your help

 

[TheRockCollector]

Looks like pyrite but gonna have to say its mica...