October Birthstone - Opal & Pink Tourmaline

October Birthstone Opal

Birthstone: Opal
Moh's hardness: 5 1/2- 6 1/2
Specific Gravity: 2.50
Color: All colors, partially play-of-color Chemical Composition: SiO2, nH2O, hydrous silcon dioxide

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The Opal treats the eye to an explosion of shimmering colors, not unlike those of a magnificent rainbow following a summer rain. The Opal derives its name from the Latin word "opalus," meaning precious jewel. Prized for its unique ability to refract and reflect specific wavelengths of light, the Opal was called "Cupid Paederos" by the Romans, meaning a child beautiful as love. One Legendary explanation for this gemstone's origin is that it fell from heaven in a flash of fiery lightning.

Opal dates back to prehistoric times. It is a non-crystallized silica, which is a mineral found near the earth's surface in areas where ancient geothermal hot springs once existed. As the hot springs dried up, layers of the silica combined with water, were deposited into cracks and cavities of bedrock, forming Opal. This gemstone actually contains up to 30% water, so it must be protected from heat or harsh chemicals, both of which will cause drying and may lead to cracking or loss of iridescence. Opal must also be guarded from blows, since it is relatively soft and breaks easily.

A gift of Opal is symbolic of faithfulness and confidence. The powerful energy radiating from this fiery gemstone will surely illuminate any occasion.

October Alternate Birthstone: Pink Tourmaline

Birthstone: Pink Tourmaline
Moh's hardness: 7-71/2
Specific Gravity: 3.32
Color: Pink

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Pink Tourmaline has the seemingly magical property of pyroelectricity.
Scientifically speaking, this means that when heated, the gem takes on a static electric charge, making it capable of attracting lightweight objects. No wonder this gemstone was revered for it's mystical properties centuries ago. Considered the "stone of the muse," it is believed to stimulate the creative process of it's wearer.

Pink varieties of Tourmaline range in color from pastel pink to ruby red and are mined in Brazil, Afghanistan, Burma, and India. A gift of this stone is symbolic of hope.