The Emmons pegmatite is the species-richest pegmatite in Maine with currently 112 species. A recent find of two initially separate
Most recently, in April 2017, Ulatowski reported obtained some matrix specimens of translucent Mwajanga tourmaline that were mostly colourless but
Dike rock interaction with gem tourmaline pockets is not beneficial for gem stock. View Article
A dedication to Skip and Karen.
The textural and chemical characteristics of the garnet lines of the Mt. Mica and western Mt. Apatite pegmatites. View Article
The mineralogy and geochemistry of pseudobrookite found in the Nine Mile Pluton indicates it’s formation in a vapor-phase-like environment, consistent
Bjarebyite is a very rare secondary phosphate found in granitic pegmatites. A sample of Bjarebyite from the Palermo #1 Pegmatite
Results suggest that the Mt. Mica pegmatitic melt did not form by fractional crystallization of the older Sebago pluton, but
North America’s two largest aquamarine gemstones came from Stoneham, Maine – a century apart. Mineralogy of the Stoneham, ME area
The gemmological characterization of Utah lace opal as opal as opposde to agate by determining mineral and chemical constituents. View
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