On the Forefront
Science, current and upcoming research, and why it all matters.
Groundbreaking research happens here.
Through collaboration with academic institutions and researchers from around the globe, MMGM’s team of researchers have co-authored and presented over 100 scientific studies in the past decade, and written over 500 peer-reviewed publications throughout their careers.
Formation Conditions of Elbaite/Fluor-elbaite in an Unorthodox Location in the Emmons Pegmatite, Greenwood, Oxford Co., Maine
- November 1, 2025
- Falster, Alexander; Simmons, William B.; Webber, Karen L.; Roda-Robles, Encarnacion
Mineralogical Characterization of the Plumbago North Pegmatite (Maine, USA): Reading Mineral Textures and Chemistry to Determine the Crystallization Conditions
- December 4, 2025
- Roda-Robles, Encarnacion; Garate-Olave, Idoia; Mikeo-Zabalo, Artizar; Simmons, William; Webber, Karen; Falster, Alexander; Errandonea-Martin, Jon
The Interaction between Beryllium, Calcium and Phosphorus in the Emmons Pegmatite, Greenwood, Oxford Co. Maine
- September 9, 2025
- Falster, Alexander; Simmons, William B.
A Complex F-rich Alkalic Pegmatite in the Pyroxene Syenites of the Stettin Complex, Wausau Complex, Marathon County, Wisconsin
- September 9, 2025
- Falster, Alexander; Buchholz, Thomas William; Simmons, William B.
Tourmaline from Mount Mica pegmatite (Maine, USA), a catalogue of textures, colours and chemistry: detailed petrographic and compositional characterisation and petrogenetic implications
- January 1, 2025
- Bermudez-Fernandez, Yaiza; Roda-Robles, Encarnacion; Simmons, William B; Falster, Alexander; Webber, Karen; Garate-Olave, Idoia; Errandonea-Martin, Jon
Apatite as an archive of pegmatite-forming processes: An example from the Berry-Havey pegmatite (Maine, USA)
- September 1, 2024
- Roda-Robles, Encarnacion; Pesquera, Alfonso; Gil-Crespo, Pedro P; Simmons, William B; Webber, Karen; Falster, Alexander; Errandonea-Martin, Jon; Garate-Olave, Idoia
Pegmatites
- December 8, 2023
- Simmons, William B; Webber, Karen; Falster, Alexander
- Rocks & Minerals
Ryerson Hill Quarry Pegmatite Contamination and Titanium Dioxides
- May 1, 2023
- Alexander, Lloyd; Falster, Alexander; Simmons, William B
Deformation, metamorphism, fluid flow and pegmatite emplacement history of the post-1630 Ma Waterloo Quartzite of southern Wisconsin
- April 23, 2023
- Bjornerud, M.G.; Buchholz, Thomas William; Falster, Alexander; Simmons, William B
A mineralogical and geochemical comparison of a granitic pegmatite and miarolitic schlieren from Hart’s Location, Carroll Co., New Hampshire
- March 1, 2023
- L. Lovering; Alexander U. Falster; William B. "Skip" Simmons
- The Canadian Mineralogist
Beryllium Minerals of the Mount Rosa Complex near Colorado Springs, Colorado
- August 16, 2022
- Gary Zito; Sarah Hanson; Alexander U. Falster
- Rocks & Minerals
A proposed new mineralogical classification system for granitic pegmatites
- March 29, 2022
- Michael A. Wise; Axel Müller; William B. Simmons
- The Canadian Mineralogist
The Contrasting Effects between Caffeine and Theobromine on Crystallization: How the Non-fluoride Dentifrice Was Developed
- November 1, 2021
- Tetsuo Nakamoto; Alexander U. Falster; William B. "Skip" Simmons
- Oral Health Care
Crystal Structure of Correianevesite from the Emmons Pegmatite, Uncle Tom Mountain, Greenwood, Oxford County, Maine
- January 1, 2021
- Pietro Vignola; Francesco Demartin; Italo Campostrini; Alexander U Falster; William B. "Skip" Simmons
- Bulletin de la Société Royale des Sciences de Liège
Juxtaposed oxidizing and reducing late-stage environments in the Emmons pegmatite, Uncle Tom Mountain, Greenwood, Oxford Co., Maine
- October 1, 2020
- Alexander U. Falster; William B. "Skip" Simmons
- Rocks & Minerals
Purple Tourmaline from Zambia
- September 1, 2020
- Brendan M. Laurs; Alexander U. Falster; William B. "Skip" Simmons
- The Journal of Gemmology
Paragenetic relationships, geochemistry and petrogenetic significance of primary Fe\\Mn phosphates from pegmatites: The case study of Cañada (Salamanca, Spain) and Palermo (New Hampshire, USA) pegmatites
- July 28, 2020
- Encarnacion Roda-Robles; Alfonso Pesquera; William B "Skip" Simmons; Pedro P. Gil-Crespo; Karen Webber; James W. Nizamoff; Alexander U. Falster
- Lithos
The Plumbago North pegmatite, Maine, USA: a new potential lithium resource
- February 6, 2020
- William B. "Skip" Simmons; Alexander U. Falster; Gary Freeman
- Mineralium Deposita
The Emmons Pegmatite
- October 10, 2019
- Alexander U. Falster; William B. "Skip" Simmons; Karen Webber; Donald Dallaire; James W. Nizamoff; Raymond A. Sprague
- Rocks & Minerals
The Dunton Gem Quarry
- October 1, 2019
- Karen Webber; William B. "Skip" Simmons; Alexander U. Falster
- Rubellite
The Core Margin Zone of the Emmons Pegmatite: The Directional Aspects of Ball Muscovite
- September 30, 2019
- Alexander U. Falster; William B. "Skip" Simmons; Karen Webber
- The Canadian Mineralogist
Giant spodumene and montebrasite crystals from the Plumbago North pegmatite, Oxford County, Maine
- September 30, 2019
- William B. "Skip" Simmons; Alexander U. Falster; James W. Nizamoff; Gary Freeman
- The Canadian Mineralogist
Anatectic Pegmatites of the Oxford Country Pegmatite Field, Maine, USA
- September 30, 2019
- Karen Webber; William B. "Skip" Simmons; Alexander U. Falster; Sarah Hanson
- The Canadian Mineralogist
A Comparison of Two Paleoproterozoic Pegmatite Districts and Nearby Granite Bodies in Florence County, Wisconsin and Marquette County, Michigan
- September 30, 2019
- Thomas William Buchholz; Alexander U. Falster; William B. "Skip" Simmons; Karen Webber, Christopher M. van Daalen
- The Canadian Mineralogist
Evidence for internal fractionation from Li isotopes in tourmaline and mica in the Berry-Havey rare-element pegmatite (Maine, USA)
- September 1, 2019
- Encarnacion Roda-Robles; Alfonso Pesquera; William B Simmons; Pedro P. Gil-Crespo; Alexander U. Falster
- The Canadian Mineralogist
A major quartz find from the Hayes pegmatite, Noyes Mountain, Greenwood, Oxford Co., Maine
- March 1, 2019
- Alexander U. Falster; William B. "Skip" Simmons
- Rocks & Minerals
Rubellite Chemistry
- January 1, 2019
- Alexander U. Falster
- Rubellite
Tantalowodginite (Mn0.5□0.5TaTa2O8. A new mineral from the Emmons pegmatite, Uncle Tom Mountain, Maine, USA
- October 1, 2018
- Sarah Hanson; Alexander U. Falster; William B. "Skip" Simmons; Raymond A. Sprague; Pietro Vignola; N. Rotiroti; Sergio Andò; Frédéric Hatert
- The Canadian Mineralogist
Quantitative Analysis of Natural and Experimental Graphic Textures
- October 1, 2018
- D. R. Baker; Mona-Liza C. Sirbescu; Victoria Maneta; Karen Webber; William B. "Skip" Simmons
- The Canadian Mineralogist
Mineralogy and Geochemistry of the Erongo Sub-Volcanic Granite-Miarolitic-Pegmatite Complex, Erongo, Namibia
- October 1, 2018
- Alexander U. Falster; William B. "Skip" Simmons; Karen Webber; Andrew P. Boudreaux
- The Canadian Mineralogist
An Unusual Occurrence of Two Lithiophilite Pods with Narrow Interconnection and Two Types of Rhodochrosite Mineralization at the Emmons Pegmatite, Oxford CO., Maine
- September 30, 2019
- Alexander U. Falster; William B. "Skip" Simmons
- The Canadian Mineralogist
Tourmaline (dravite) from the Simanjiro District, Tanzania
- June 1, 2017
- Cara Williams; John Bear Williams; Brendan M. Laurs; Alexander U. Falster; William B. "Skip" Simmons
- The Journal of Gemmology
Interaction of basaltic lava with gem tourmaline miarolitic cavities in the Havey pegmatite, Poland, Maine
- January 1, 2017
- Alexander U. Falster
A tribute to William B. ‘Skip’ Simmons and Karen Louise Webber
- July 1, 2016
- Alexander U. Falster; Pietro Vignola
- The Canadian Mineralogist
The garnet line in Oxford County, Maine, pegmatites
- July 1, 2016
- Myles Felch; William B. "Skip" Simmons; Alexander U. Falster; Karen Webber
- Rocks & Minerals
Pseudobrookite From the Nine Mile Pluton, Marathon County, Wisconsin: An Occurrence From A Plutonic Environment
- July 1, 2016
- Thomas William Buchholz; Alexander U. Falster; William B. "Skip" Simmons
- The Canadian Mineralogist
On the Crystal-Chemistry of Bjarebyite, BaMn 2+ 2 Al 2 (PO 4 ) 3 (OH) 3 , From the Palermo #1 Pegmatite, Grafton County, New Hampshire, USA
- July 1, 2016
- Nicola Rotiroti; Pietro Vignola; Danilo Bersani; William B "Skip" Simmons; Alexander U Falster; Robert W. Whitmore; James W. Nizamoff; Paolo Lotti; Andrea Risplendente; Alessandro Pavese
- The Canadian Mineralogist
Bulk Composition of Mt. Mica Pegmatite, Maine, USA: Implications for the Origin of an LCT Type Pegmatite by Anatexis
- July 1, 2016
- William B. "Skip" Simmons; Alexander U. Falster; Karen Webber; Encarnacion Roda-Robles; Andrew P. Boudreaux; Leah Rae Grassi; Gary Freeman
- The Canadian Mineralogist
Aquamarine from Stoneham and Vicinity, Oxford County, Maine
- January 2, 2016
- Carl A. Francis; Myles Felch; Alexander U. Falster; Douglas A. Bailey
- Rocks & Minerals
Lace opal from Utah
- January 1, 2016
- Cara Williams; Alexander U Falster; William B Simmons; John Bear Williams
- The Journal of Gemmology
Theobromine: A Safe and Effective Alternative for Fluoride in Dentifrices
- January 1, 2016
- Tetsuo Nakamoto; Alexander U. Falster; William B. "Skip" Simmons
- Journal of Caffeine Research
Tantalite-(Mn) from Grangal, Nuristan, Afghanistan
- January 1, 2016
- J.C. (Hanco) Zwaan; Alexander U. Falster; William B. "Skip" Simmons; D. Blauwet
- The Journal of Gemmology
Accessory Mineralogy of an Evolved Pegmatite, Dickinson County, Michigan
- January 1, 2013
- Thomas William Buchholz; Alexander U. Falster; William B. "Skip" Simmons