Subject ASC000294i

The Quarterly journal of the Geological Society of London.
v.62 (1906), Page 113 (1906)
Smithsonian Libraries
BHL Page 37057078

Keywords

twin crystal allanite oblique cruciform rocks monoclinic orthite madeira river cataracts angle face twinning mineral crystals Allanite twin-crystal zircons Landscape (mineral)

Contributors

Species