Fowlerite
A variety of Rhodonite
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About Fowlerite
Dr. Samuel Fowler
Formula:
(Mn2+,Zn,Ca)SiO3
Colour:
Dark pink, red, red-brown, dark brown, brown-black
Name:
Named in 1832 by Charles Upham Shepard in honor of Dr. Samuel Fowler [October 30, 1779 Newburgh, New York, USA - February 20, 1844 Franklin, New Jersey, USA], a physician with strong interests in science and business and a US Congressman from New Jersey, 1833-1837. He enlisted the aid of all scientists he could interest in the deposits of Franklin and Sterling Hill, NJ. In 1810, he purchased Mine Hill, with a partner, in Franklin, site of the Franklin orebody. In 1818 and 1824, he acquired the Sterling Mine from the Ogden family.
First Recorded Locality:
A variety of Rhodonite
Zn- and Ca-bearing variety of rhodonite which consequently is paler pink than end-member rhodonite. Fowlerite was particularly noticed as rhodonite rarely occurred in crystals before the discovery at Franklin, New Jersey, USA. (Note: Keatingine was discredited as a synonym for rhodonite (Dana, 1892).
The end-member formula is suggested to be CaZnMn3O15 (Nelson and Griffen, 2005). Shchipalkina et al. (2019) consider fowlerite to be a potential new species.
Zn- and Ca-bearing variety of rhodonite which consequently is paler pink than end-member rhodonite. Fowlerite was particularly noticed as rhodonite rarely occurred in crystals before the discovery at Franklin, New Jersey, USA. (Note: Keatingine was discredited as a synonym for rhodonite (Dana, 1892).
The end-member formula is suggested to be CaZnMn3O15 (Nelson and Griffen, 2005). Shchipalkina et al. (2019) consider fowlerite to be a potential new species.
Unique Identifiers
Mindat ID:
11200 (as Fowlerite)
3407 (as Rhodonite)
3407 (as Rhodonite)
Long-form identifier:
mindat:1:1:11200:0 (as Fowlerite)
mindat:1:1:3407:0 (as Rhodonite)
mindat:1:1:3407:0 (as Rhodonite)
GUID
(UUID V4):
(UUID V4):
4a5277b2-1736-415e-8f3d-406543a3631c (as Fowlerite)
895ac71c-491f-4b40-9a97-c11327392c3d (as Rhodonite)
895ac71c-491f-4b40-9a97-c11327392c3d (as Rhodonite)
IMA Classification of Fowlerite
'Grandfathered' (first described prior to 1959)
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Fwl | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Fowlerite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Fowlerite
Colour:
Dark pink, red, red-brown, dark brown, brown-black
Chemistry of Fowlerite
Mindat Formula:
(Mn2+,Zn,Ca)SiO3
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-𝑇 alteration and/or metamorphism | |
| 32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits |
First Recorded Occurrence of Fowlerite
Other Language Names for Fowlerite
Spanish:Fowlerita
Kaetingita
Kaetingita
Common Associates
Associated Minerals Based on Photo Data:
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Fowlerite
mindat.org URL:
https://www.mindat.org/min-11200.html
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Search Engines:
Mineral Dealers:
References for Fowlerite
Reference List:
Liebau, F., Hilmer, W., Lindemann, G. (1959) Über die Kristallstruktur des Rhodonits (Mn,Ca)SiO3. Acta Crystallographica, 12 (3) 182-187 doi:10.1107/s0365110x59000548
Peacor, Donald R., Niizeki, Nobukazu (1963) The redetermination and refinement of the crystal structure of rhodonite, (Mn,Ca)SiO3. Zeitschrift für Kristallographie - Crystalline Materials, 119 (1) 98-116 doi:10.1524/zkri.1963.119.1-2.98
Ito, Jun (1972) Rhodonite-pyroxmangite peritectic along the join MnSiO3-MgSiO3 in air. American Mineralogist, 57 (5-6) 865-876
Peacor, Donald R., Essene, Eric J., Brown, Philip E., Winter, Gary A. (1978) The crystal chemistry and petrogenesis of a magnesian rhodonite. American Mineralogist, 63 (11-12) 1137-1142
Sapountzis, Elias S., Christofides, George (1982) A calcium-poor rhodonite from Xanthi (N. Greece) Mineralogical Magazine, 46 (340) 337-340 doi:10.1180/minmag.1982.046.340.06
Viswanathan, Krishnamoorthy, Harneit, Otto (1986) Lattice expansion and ionic substitution in common pyroxenoids. Contributions to Mineralogy and Petrology, 94 (2) 238-244 doi:10.1007/bf00592940
Pinckney, Linda R., Burnham, Charles W. (1988) Effects of compositional variation on the crystal structures of pyroxmangite and rhodonite. American Mineralogist, 73 (7-8) 798-808
Livi, Kenneth J. T., Veblen, David R. (1992) An analytical electron microscopy study of pyroxene-to-pyroxenoid reactions. American Mineralogist, 77 (3-4) 380-390
Localities for Fowlerite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Kazakhstan | |
| Kayupova (1963) +1 other reference |
Mexico | |
| Querol |
USA | |
| - (2005) |
| Castor et al. (2004) |
| Shepard (1832) |
| King (n.d.) | |
| Northrop et al. (1996) |
Franklin, Sussex County, New Jersey, USA