G10 FR4 Garolite 17" (L) x 2-3/8" (W) Round Stock Material Unsure

Round Stock of material that is believed to be G10 / Garolite. Unsure.

Round Stock
1 End is saw Cut
Other end has evidence of parting marks and likely will need facing.
Likely lose less than 1/4" (0.250" on facing operation, depending on parts)
Light green in hue.

End is marked RG10 , feels glass like almost ceramic

JC