Tachylite
A rock classification type
This page is currently not sponsored. Click here to sponsor this page.
About Tachylite
Tachylite, also spelt tachylyte, is a black or dark brown, opaque basaltic glass. The term may refer to an interstitial glass or a rock composed mostly of such glass.
Another definition: A glassy basalt usually containing magnetite microlites and generally occurring as the selvages of dykes and sills.
Compare also pseudotachylyte.
Another definition: A glassy basalt usually containing magnetite microlites and generally occurring as the selvages of dykes and sills.
Compare also pseudotachylyte.
Unique Identifiers
Mindat ID:
51699
Long-form identifier:
mindat:1:1:51699:6
Classification of Tachylite
Mineralogy of Tachylite
Essential minerals - these are minerals that are required within the classification of this rock:
| Glass | A non-crystalline, amorphous, relatively homogeneous solid material with a random liquid-like structure generally ... |
Synonyms of Tachylite
Common Associates
Associations Based on Photo Data:
| 10 photos of Tachylite associated with 'Palagonite' | |
| 2 photos of Tachylite associated with 'Basalt' | |
| 1 photo of Tachylite associated with 'Andesite' | |
| 1 photo of Tachylite associated with Feldspar Group | |
| 1 photo of Tachylite associated with Clay minerals |
Internet Links for Tachylite
mindat.org URL:
https://www.mindat.org/min-51699.html
Please feel free to link to this page.
Please feel free to link to this page.
References for Tachylite
Reference List:
Localities for Tachylite
Showing 5 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.
Australia | |
| Smith (1926) |
| Sutherland et al. (1967) |
New Zealand | |
| Pirajno (1980) |
| T. Saunderson collection |
Pacific Ocean | |
| Anne Marie Karpoff et al. (1992) |
Yetman, Arrawatta Co., New South Wales, Australia