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Home / Stones / Basalt Stones

Basalt Stones is the primary stone in LaStone® Therapy

The type of basalt that is used in LaStone® Therapy is modified igneous rock that is formed by volcanic and sedimentary action. Basalt is the most abundant of the volcanic rocks, especially plentiful in those regions that have undergone volcanic disturbance within geologically recent times. Most present-day volcanoes erupt basaltic material. This type of basalt is usually made up of polycrystalline olivine, an iron-magnesium silicate.

There are several varieties of basalt. Most contain olivine and iron-magnesium silicate; those containing notable quantities of this mineral are known as olivine basalt. This olivine basalt is a fine-grained stone that is very dense and forms fine crystalline masses. The stones begin to form when gabbroic magma erupts as lava flows or intrudes at shallow depths to form dikes and sills. Vesicular structure is prominent at the top of the lava flow. Gasses trapped in the cooling lava form vesicles; after solidification, secondary minerals like quartz and zeolites fill these cavities. The density of the stones is 2.5 times the weight per volume of water. The hardness is 7 on the Mohs' Scale of 1-10, a diamond being a ten. The basalt that I use has been formed downwind of the volcano and then cooled slowly. Their composition has changed as metamorphosis has taken place and they have crystallized again and again, causing their great density. Then they have been broken and eroded by steam or water activity. The stones then washed along a river bottom or ocean shore and were given their smooth potato-like shape and size.

The long understood healing properties of basalt stones are stability and strength, clarity in difficult times, easing anger and promoting understanding in such situations. It has been said to enhance the reproductive system and increases fertility.

 

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