Troostite
A variety of Willemite
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About Troostite
Dr Gerard Troost
Formula:
(Zn,Mn)2SiO4
Name:
Named in 1832 by Charles Upham Shepard in honor of Dr Gerard Troost (1776-1850), mineralogist and botanist, State Geologist of Tennessee.
A Mn-bearing variety of willemite with MnO contents above 3 mass% (up to 12 mass% and may be more).
Unique Identifiers
Mindat ID:
6726 (as Troostite)
4292 (as Willemite)
4292 (as Willemite)
Long-form identifier:
mindat:1:1:6726:9 (as Troostite)
mindat:1:1:4292:1 (as Willemite)
mindat:1:1:4292:1 (as Willemite)
Pronunciation of Troostite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Chemistry of Troostite
Mindat Formula:
(Zn,Mn)2SiO4
Element Weights:
Elements listed:
Other Language Names for Troostite
Common Associates
Associations Based on Photo Data:
| 75 photos of Troostite associated with Calcite | CaCO3 |
| 36 photos of Troostite associated with Franklinite | Zn2+Fe3+2O4 |
| 9 photos of Troostite associated with Willemite | Zn2SiO4 |
| 5 photos of Troostite associated with Rosasite | (Cu,Zn)2(CO3)(OH)2 |
| 3 photos of Troostite associated with Sphalerite | ZnS |
| 1 photo of Troostite associated with Kraisslite | Zn3(Mn,Mg)25(Fe3+,Al)(As3+O3)2[(Si,As5+)O4]10(OH)16 |
| 1 photo of Troostite associated with 'Pyroaurite-2H' | Mg6Fe3+2(OH)16(CO3) · 4H2O |
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 Troostite
mindat.org URL:
https://www.mindat.org/min-6726.html
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References for Troostite
Reference List:
Localities for Troostite
Showing 3 localities.
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.
Sweden | |
| Pavel M. Kartashov analytical data 2021 |
USA | |
| Lavinsky (n.d.) |
| Palache (1935) +1 other reference |
Sterling Mine, Sterling Hill, Ogdensburg, Sussex County, New Jersey, USA