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Killiecrankie Diamond

A variety of Topaz
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Formula:
Al2(SiO4)(F,OH)2
A name used for a variety of topaz mostly found near Killiecrankie, Flinders Island, Tasmania. The stones were first collected and sold as diamonds in Europe back in the early 1800s. The name is still in common usage, for the location is a popular collecting area.


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Unique IdentifiersHide

Mindat ID:
47113 (as Killiecrankie Diamond)
3996 (as Topaz)
Long-form identifier:
mindat:1:1:47113:4 (as Killiecrankie Diamond)
mindat:1:1:3996:9 (as Topaz)

Pronunciation of Killiecrankie DiamondHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Chemistry of Killiecrankie DiamondHide

Mindat Formula:
Al2(SiO4)(F,OH)2
Element Weights:
Element% weight
O34.773 %
Al29.321 %
F20.646 %
Si15.260 %

Calculated from ideal end-member formula.
Elements listed:
Al, F, H, O, Si - search for minerals with similar chemistry

Other InformationHide

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 Killiecrankie DiamondHide

References for Killiecrankie DiamondHide

Localities for Killiecrankie DiamondHide

Showing 1 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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Locality ListHide

- 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Australia
 
  • Tasmania
    • Flinders municipality
      • Furneaux Group
        • Flinders Island
Bottrill +1 other reference
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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