mineral
Dragon Blood Jasper
SiO2
Hardness: 6.5-7, Color: Green with red spots/veins, Luster: Vitreous to dull, Crystal structure: Trigonal (microcrystalline), Cleavage: None, Specific gravity: 2.58-2.91
- Hardness
- 6
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Physical properties
Hardness: 6.5-7, Color: Green with red spots/veins, Luster: Vitreous to dull, Crystal structure: Trigonal (microcrystalline), Cleavage: None, Specific gravity: 2.58-2.91
Formation & geological history
Formed from the deposition of silica-rich fluids in volcanic rocks. Often found in Western Australia and South Africa.
Uses & applications
Used in jewelry, typically cut into cabochons or beads. Also collected by rock enthusiasts.
Geological facts
Despite its name, Dragon Blood Jasper is actually a variety of chalcedony or cryptocrystalline quartz. The green color is typically due to epidote, and the red is due to piemontite.
Field identification & locations
Identify by its distinctive green color with red inclusions. It is opaque and takes a good polish.
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Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Schist
Schist
Metamorphic
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Nephrite Jade
Nephrite
Mineral/Rock
Banded Gneiss (River Rock/Pebble)
Gneiss (specifically a banded variety often found as a river rock)
Metamorphic Rock
![Green Apatite on Albite (Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]) — mineral](https://media.rockidentification.com/2391a63f-fb20-47d5-af9a-2035851eb32e-thumbnail.jpg)
Green Apatite on Albite
Fluorapatite [Ca5(PO4)3F] on Albite [Na(AlSi3O8)]
mineral