Basalt Stones is the primary stone
in LaStone® Therapy
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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.
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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.
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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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