igneous
K2 Jasper (K2 Granite)
Azurite in Granite (Biotite Granite containing Azurite)
Hardness: 6 (Granite matrix) to 3.5-4 (Azurite); Color: White/Grey base with bright blue circular spots; Luster: Dull to Vitreous; Crystal Structure: Monoclinic (Azurite), Phaneritic (Granite); SG: 2.6-2.7
- Hardness
- 6 (Granite matrix) to 3
- Color
- White/Grey base with bright blue circular spots
- Luster
- Dull to Vitreous
Identified More igneous →
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Physical properties
Hardness: 6 (Granite matrix) to 3.5-4 (Azurite); Color: White/Grey base with bright blue circular spots; Luster: Dull to Vitreous; Crystal Structure: Monoclinic (Azurite), Phaneritic (Granite); SG: 2.6-2.7
Formation & geological history
Formed through the secondary mineralization of azurite within a pre-existing granite base. This unique combination occurs in the high-altitude conditions of the Himalayas near the foot of the K2 mountain peak.
Uses & applications
Primarily used as a decorative gemstone for jewelry, carvings, spheres, and tumbled stones. Highly sought after by spiritual practitioners and mineral collectors.
Geological facts
Despite its common name, it is technically an igneous granite rather than a sedimentary jasper. It was only relatively recently discovered and is found in one of the most remote locations on Earth.
Field identification & locations
Look for distinctive blue spots that appear to be 'stained' onto a grey-and-black speckled granite background. It is primarily found in the Skardu area of northern Pakistan.
