- L. J. Spencer
- Specific Gravities of Minerals: An Index of Some Recent Determinations
Mineralogical Magazine 1927 21 : 337-365.
[Abstract]
[PDF]
- Julien Drugman
- On β-Quartz Twins from Some Cornish Localities
Mineralogical Magazine 1927 21 : 366-382.
[Abstract]
[PDF]
- Arthur Russell
- Notice of an Occurrence of Niccolite and Ullmannite at the Settlingstones Mine, Fourstones, Northumberland; and of Serpierite at Ross Island Mine, Killarney, Co. Kerry, Ireland
Mineralogical Magazine 1927 21 : 383-387.
[Abstract]
[PDF]
- L. J. Spencer
- South African Occurrences of Willemite. Fluorescence of Willemite and Some Other Zinc Minerals in Ultra-Violet Rays
Mineralogical Magazine 1927 21 : 388-396.
[Abstract]
[PDF]
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