Crystal and stones » stones

Sapphire as talisman

precious stones — Tue, 22 Jun 2010 22:09:25 +0000

The Sapphire as talisman

Sapphire, one of the earliest gems known to man, is found in riverbeds and torrents, the force of the water washing the stones from their matrix ; and to this day are still found under these conditions. In its finest quality the Sapphire is of a deep blue colour, and the [...]

Healing stones

precious stones — Tue, 09 Feb 2010 17:37:36 +0000

In the sixteenth century sapphires, emeralds, rubies, garnets, jacinths, coral and sardonyxes were used in all tonics prescribed to protect the heart against the effects of poison and of the plague. As it was noted that these remedies were frequently ineffectual, an explanation was sought in the fact that spurious stones were often used, the [...]

Jewels, gems, stones

precious stones — Tue, 09 Feb 2010 15:55:39 +0000

Jewels, gems, stones, superstitions and astrological lore are all so interwoven in history that to treat of either of them alone would mean to break the chain of association linking them one with the other. Beauty of color or lustre in a stone or some quaint form attracts the eye of the savage and his [...]

Magnetic and Electric Influences

precious stones — Wed, 16 Sep 2009 14:35:43 +0000

The word “electricity” is derived from the Greek “elektron,” which was the name for amber, a mineralised resin of extinct pine-trees. It was well-known to the people of pre-historic times; later to the early Egyptians, and, at a still later date, we have recorded how Thales -the Greek philosopher, who lived about the close of [...]

Heat-rays to precious stones

precious stones — Wed, 16 Sep 2009 14:30:16 +0000

Another method of isolating certain stones is by the action of heat-rays.

Remembering our lessons in physics we recall that just as light-rays may be refracted, absorbed, or reflected, according to the media through which they are caused to pass, so do heat-rays possess similar properties.

Therefore, if heat-rays are projected through precious [...]

Garnets to Malachite

precious stones — Wed, 16 Sep 2009 14:11:33 +0000

Group A. Isolates gems with a specific gravity of 4.7963 and over 4.70; in this group is placed zircon, with a specific gravity of from 4.70 to 4.88.

Group B. Stones whose specific gravity lies between 3.70 and under 4.7963.

Garnets, many varieties. Almandine 4.11 and occasionally to 4.25 Ruby 4.073 ” 4.080 Sapphire 4.049 [...]

Origin of precious stones

precious stones — Wed, 16 Sep 2009 12:45:01 +0000

Though the origin, formation, composition, characteristics and tests of each stone will be examined in detail when dealing with the stones seriatim, it is necessary to enquire into those particulars of origin which are common to all, in order thoroughly to understand why they differ from other non-metallic and metallic minerals.

At the very commencement [...]

Precious stones

precious stones — Wed, 16 Sep 2009 11:09:08 +0000

What constitutes a precious stone is the question which, at the onset, rises in the mind, and this question, simple as it seems, is one by no means easy to answer, since what may be considered precious at one time, may cease to be so at another.

There are, however, certain minerals which possess distinctive [...]