K2 Azurite Granite / K2 Stone

Hardness: 6-7 (for granite), 3.5-4 (for azurite). Color: White to light grey granite matrix with vibrant blue (azurite) and greenish (malachite, potentially) spots or veins. Luster: Vitreous to dull. Crystal structure: Granitic (interlocking crystals of feldspar, quartz, mica), azurite crystals are typically small and granular within the granite. Cleavage: Good in micas and feldspars, imperfect in azurite. Specific Gravity: 2.6-2.7 for granite, 3.77 for azurite.

K2 Azurite Granite is an igneous rock (granite) that formed from the slow crystallization of magma below the Earth's surface. The distinctive blue spots are azurite, a copper carbonate mineral, often found in oxidized zones of copper ore deposits. It is believed that the azurite formed later within the granite matrix, possibly through hydrothermal alteration or infiltration of copper-rich fluids. The geological age of the granite base would be ancient, but the azurite mineralization could be much younger.

Primarily used as an ornamental stone, especially for jewelry (beads, cabochons, pendants) and decorative carvings. Its striking contrast of blue on white/grey makes it highly desirable for these applications. It is less commonly used in general construction due to the rarity of high-quality specimens with significant azurite concentrations.

Also known as K2 Jasper or K2 Stone, though it is not a jasper (which is a chalcedony) but rather a granite. Its name comes from the K2 Mountain in Pakistan, where it is reportedly found. The blue spots are unequivocally azurite, a vivid blue copper mineral. Sometimes green spots/veins of malachite (another copper carbonate mineral, often associated with azurite) can also be present.

To identify K2 Azurite Granite in the field or from raw material, look for the unique pattern of bright blue (azurite) spots embedded within a light-colored, fine-grained granitic matrix. The blue color is a key indicator, as few other rocks exhibit this distinct combination. It is predominantly found near the base of K2 Mountain in the Skardu region of Pakistan. For collectors, distinguishing it from dyed stones or other spotted rocks is crucial; the natural variation and texture of the granite matrix, combined with the characteristic blue of azurite, are good identifiers. Azurite is relatively soft, so care should be taken with jewelry. Malachite may also be present as green inclusions.