Examine 6 unknown metamorphic rock samples using the website: https://meg.georockme.com/unknowns by Scott Brande. From the Unknown Samples page, click on the sample number (A01, A02, A03, etc…). This will take you to the individual metamorphic rock webpage with the physical properties of the sample explained. Scroll down and be sure to watch the videos on the webpages: Whole Rock Video, Whole Rock Image, Close-up Image - Can you determine the size of the crystals? Examine the texture. Do you see any foliations where the minerals are oriented? HCl Acid Test Video – does it fizz when HCl acid is applied? Hardness Test Video – does it scratch the glass? Review your minerals lab to see which minerals scratch the glass, and which do not. Sheen (Reflectance) Test Video – does sample show a sheen-like appearance? Metamorphic Rocks Table Sample # Minerals (if visible) Mineral Size (Coarse/Fine) Texture Foliation Visible orientation of minerals? Y/N Grade of Metamorphism & Other Characteristics See Table 2 Parent Rock What rock was this before it went through metamorphism? Metamorphic Rock Name Use Table 2 to find the name of the metamorphic rock A01 A02 A03

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Examine 6 unknown metamorphic rock samples using the website: https://meg.georockme.com/unknowns by Scott Brande. From the Unknown Samples page, click on the sample number (A01, A02, A03, etc…). This will take you to the individual metamorphic rock webpage with the physical properties of the sample explained. Scroll down and be sure to watch the videos on the webpages:

Whole Rock Video, Whole Rock Image, Close-up Image - Can you determine the size of the crystals? Examine the texture. Do you see any foliations where the minerals are oriented?
HCl Acid Test Video – does it fizz when HCl acid is applied?
Hardness Test Video – does it scratch the glass? Review your minerals lab to see which minerals scratch the glass, and which do not.

Sheen (Reflectance) Test Video – does sample show a sheen-like appearance?

Metamorphic Rocks Table
Sample #	Minerals (if visible)	Mineral Size (Coarse/Fine)	Texture Foliation Visible orientation of minerals? Y/N	Grade of Metamorphism & Other Characteristics See Table 2	Parent Rock What rock was this before it went through metamorphism?	Metamorphic Rock Name Use Table 2 to find the name of the metamorphic rock
A01
A02
A03