-
largest mineral database on the
Internet "Mineralogy Database" by
David Barthelmy (2009) "Mineral
Identification Key II"
Mineralogical Society of America...
-
Handbook of Mineralogy.
Mineral Data Publishing.
Retrieved 14
March 2022.
Barthelmy,
David (2014). "Lepidolite
Mineral Data". Webmineral.com.
Retrieved 19...
-
Retrieved 19 July 2022. "Stibnite". Mindat.org.
Retrieved 19 July 2022.
Barthelmy,
David (2014). "Stibnite
Mineral Data". Webmineral.com.
Retrieved 27 June...
- Year
Title Role
Notes Ref. 1992 The
Young Indiana Jones Chronicles Sgt.
Barthelmy Episode: "German East Africa,
December 1916" 1993
Heart of
Darkness Mfumu...
- mindat.org.
Retrieved 17
April 2018. "Handbook of Mineralogy" (PDF).
Barthelmy, Dave. "Orthoclase
Mineral Data". www.webmineral.com.
Retrieved 17 April...
-
Crisis during WW II Look up
wolframite in Wiktionary, the free dictionary.
Barthelmy, Dave. "Wolframite
Mineral Data". webmineral.com. "Wolframite: Wolframite...
- Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
Barthelmy,
David (2014). "Bornite
Mineral Data". Webmineral.com.
Retrieved 12 August...
- Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
Barthelmy,
David (2014). "Sugilite
Mineral Data". Webmineral.com.
Retrieved 22 July...
- 1180/mgm.2021.43. S2CID 235729616. "Mineralienatlas – Fossilienatlas".
Barthelmy, Dave. "Poudretteite
Mineral Data". webmineral.com. "Poudretteite: Poudretteite...
-
Handbook of
Mineralogy http://www.mindat.org/min-4170.html Mindat.org Dave
Barthelmy. "Vermiculite
Mineral Data". webmineral.com. Webb,
Thomas H. (1824), "Letter...
