Smithsonian. Specimen is roughly 0.

Variscite
variscite
Variscite
CRYSTALLIZATION OF VARISCITE AT ROOM TEMPERATURE.
Variscite source and source analysis: testing assumptions at Pico Centeno (Encinasola, Spain)
Solubility Criteria for the Existence of Variscite in Soils 1
Raman spectroscopy of phosphates of the variscite mineral group
ChemInform Abstract: The Structure of GaAsO 4 ×2H 2 O: A New Member of the Variscite Family
ChemInform Abstract: The Structure of GaAsO4×2H2O: A New Member of the Variscite Family.
On the dimorphy between the variscite and clinovariscite group: refined finestructural relationship of strengite and clinostrengite,...
Aluminum and iron phosphate studies relating to soils. I. Solution and hydrolysis of Variscite and Strengite
Crystal structure determination of the hydrated gallium phosphate GaPO 4 ·2H 2 O, analog of variscite
Mining and geological knowledge during the Neolithic: a geological study on the variscite mines at Gavà, Catalonia