Gypsum Plate

| View Cart ⇗ | Info

“Determination of the optical character of a uniaxial crystal with the gypsum plate. Quartz (+).” -Johannsen, 1908

Source

Albert Johannsen A Key for the Determination of Rock-Forming Minerals in Thin Sections (New York, NY: John Wiley & Sons, 1908)

Downloads

TIFF (full resolution)

2400×2368, 396.7 KiB

Large GIF

1024×1010, 60.3 KiB

Medium GIF

640×631, 32.2 KiB

Small GIF

320×315, 13.1 KiB