Achroite
A variety of Tourmaline
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About Achroite
Formula:
A(D3)G6(T6O18)(BO3)3X3Z
Colour:
Colorless
Lustre:
Vitreous
A variety of Tourmaline
A colorless, sometimes fibrous variety of tourmaline (usually, but not always, elbaite or fluor-elbaite).
Visit gemdat.org for gemological information about Achroite.
A colorless, sometimes fibrous variety of tourmaline (usually, but not always, elbaite or fluor-elbaite).
Visit gemdat.org for gemological information about Achroite.Unique Identifiers
Mindat ID:
454 (as Achroite)
4003 (as Tourmaline)
4003 (as Tourmaline)
Long-form identifier:
mindat:1:1:454:3 (as Achroite)
mindat:1:1:4003:3 (as Tourmaline)
mindat:1:1:4003:3 (as Tourmaline)
GUID
(UUID V4):
(UUID V4):
50d63239-1b8a-4421-991d-90964715bd87 (as Achroite)
9f031785-dde7-4e3d-a56e-5610364b9205 (as Tourmaline)
9f031785-dde7-4e3d-a56e-5610364b9205 (as Tourmaline)
Physical Properties of Achroite
Vitreous
Colour:
Colorless
Chemical Properties of Achroite
Formula:
A(D3)G6(T6O18)(BO3)3X3Z
Elements listed:
Synonyms of Achroite
Other Language Names for Achroite
Common Associates
Associated Minerals Based on Photo Data:
| 4 photos of Achroite associated with Lepidolite | |
| 3 photos of Achroite associated with Apatite | Ca5(PO4)3(Cl/F/OH) |
| 2 photos of Achroite associated with Scorodite | Fe3+AsO4 · 2H2O |
| 2 photos of Achroite associated with Elbaite | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH) |
| 2 photos of Achroite associated with Microcline | K(AlSi3O8) |
| 1 photo of Achroite associated with Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| 1 photo of Achroite associated with Smoky Quartz | SiO2 |
| 1 photo of Achroite associated with Orthoclase | K(AlSi3O8) |
| 1 photo of Achroite associated with Schorl | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) |
| 1 photo of Achroite associated with Dravite | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) |
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 Achroite
mindat.org URL:
https://www.mindat.org/min-454.html
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Please feel free to link to this page.
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Mineral Dealers:
References for Achroite
Reference List:
Localities for Achroite
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.
Afghanistan | |
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Bolivia | |
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Czech Republic | |
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India | |
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Italy | |
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Madagascar | |
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Namibia | |
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Nepal | |
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North Macedonia | |
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Spain | |
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Sri Lanka | |
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UK | |
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USA | |
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Nuristan, Afghanistan