Dalmatian Stone
A rock subtype
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About Dalmatian Stone
A trade name for a peraklakine rock (microgranite, aplite or rhyolite) consisting of dark spots (arfvedsonite) on a light (mostly feldspar) background.
The material is often incorrectly termed as a "jasper" and the black spots are frequently misidentified as tourmaline.
The material is often incorrectly termed as a "jasper" and the black spots are frequently misidentified as tourmaline.
Unique Identifiers
Mindat ID:
52766
Long-form identifier:
mindat:1:1:52766:4
GUID
(UUID V4):
(UUID V4):
6b37281b-fca4-43c0-b39d-8b09b4d0c5a3
Classification of Dalmatian Stone
Mineralogy of Dalmatian Stone
Essential minerals - these are minerals that are required within the classification of this rock:
| Amphibole > Arfvedsonite | [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2 |
| Mesoperthite | A perthite with approximately equal amounts of alkali feldspar and plagioclase. |
| Silica > Quartz | SiO2 |
Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Synonyms of Dalmatian Stone
Common Associates
Associated Minerals Based on Photo Data:
| 7 photos of Dalmatian Stone associated with Arfvedsonite | [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2 |
| 3 photos of Dalmatian Stone associated with Aplite |
Internet Links for Dalmatian Stone
mindat.org URL:
https://www.mindat.org/min-52766.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Dalmatian Stone
Ahumada Municipality, Chihuahua, Mexico