Lava stone - knowledge base, jewelry
Properties of Lava stone, physiological effects, zodiac signs and Lava stone jewelry.
Lava stone is a volcanic rock.
Lava rock is also known as basalt, which is formed when magma from volcanoes solidifies and hardens into rock. Lava rocks are very porous, meaning that they have many cavities on their surface where liquids or gases can flow through. This porosity is the result of the flow of lava or magma creating gas bubbles which, as they cool, form holes in their surface. These cavities are called vesicles. The density of lava rocks (basalts) is low because of their high porosity. Recently, there are problems in obtaining them, as most countries do not allow their sale. A primary reason is that volcanic rocks are usually found in protected areas owned by governments. Most of the lava rocks that can be bought today were either mined before the legislation came into force or smuggled out of the countries concerned.
Chemical and physical properties of Lava stone:
Formula: MgO and CaO, low SiO2 and alkaline oxides, i.e. Na2O + K2O (mostly iron, magnesium and calcium)
Crystal system: ferromagnesian
Color: mostly dark grey or black, but other colours are possible
Fracture: conchoidal, uneven
Mohs scale hardeness: 3,0 – 3,5
Specific gravity: 3,01 g/cm³
Major metaphysical healing properties attributed to lava stone:
It has a detoxifying effect, stimulates blood circulation, regeneration of connective tissues and tendons, stimulates cellular water replenishment, nerve cell renewal, balances the body, calms the nervous system.
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The use of lava stones
Due to their hollow structure, lava rocks have a sponge-like appearance, which is why they are popular for use in rock gardens, landscaping and as decorative elements in construction. They are also used for ornaments, sculptures and jewellery.
Occurrence of the lava rock
This stone is found worldwide and is one of the oldest and most common minerals on earth.