Shiva Lingam

At first glance, a Shiva lingam probably won’t look like much to the layman. Reality may be far from what the untrained eye sees. Typically shaped as a cylinder with rounded ends, the Shiva lingam is a representation of the Hindu god Shiva. Only found in the Narmada River, Shiva...

Serpentine

Serpentine rock is a rock composed of one or multiple minerals of the serpentine group. The minerals that make up this group are formed by the process of “serpentinization,” which is a metamorphic and hydration transformation of ultramafic rock residing in the earth’s mantle. They are used as a decorative...

Seraphinite

Seraphinite is a dark green to gray colored mineral with a beautiful wavery sheen that belongs to the chlorite group. It is a magnesium iron aluminum silicate. “Seraphinite” is a trade name that was acquired for this clinochlore due to the resemblance of feathers in its appearance. Some specimens even...

Selenite

Selenite is a type of gypsum that, with a Moh's scale hardness of just 2, is very soft and often naturally cleaved into sheets or wands. Even a fingernail can easily scratch it. Because it is also rather flexible and tends to bend upon being subjected to gentle pressure, it...

Ruby

One of the four “precious” gemstones, the ruby is a well known, captivating stone of nobility named for its rich red color. Revered throughout history in numerous cultures, it is still regarded as one of the most magnificent of all gems to this day. Indeed, to ancients, it was more...

Rubellite (pink Tourmaline)

"Rubellite” is a shocking pink or red tourmaline that behaves in a particular way in artifical light and daylight. This is to say, its color does not change depending on the light source, unlike many other gemstones. A true rubellite shines with equal intensity in daylight and artificial light. A...

Rhodochrosite

A manganese carbonate mineral, rhodochrosite is a stunning rose-red in its rarest and purest form. However, impure specimens may range from pink to pale brown in coloration. Banding may be present. It exhibits a trigonal crystal system, a Moh’s scale hardness of 3.5-4, a specific gravity of 3.7, and a...

Pietersite

In 1962, Sid Pieters discovered arguably one of the most beautiful and definitely one of the rarest stones you will ever likely see. Pietersite is, simply put, stunning and may contain blues, reds, gold, and bronze. Only known to be found in Namibia, Africa and China, pietersite is a type...

Phenacite

Sometimes used as a gemstone, phenacite (or “phenakite”) consists of beryllium orthosilicate and is a rather rare (and highly priced) nesosilicate mineral. The crystals are isolated and occasionally transparent and colorless, but are more often translucent and yellowish or grayish in coloration. They can also be pink, rose-red or brown....

Peridot

Peridot is a magnesium-rich, gem quality variety of olivine (a silicate mineral). Unlike most gemstones, it occurs in just a single color. In this case, that color is a lovely olive green. The green, however, may vary from yellowish to brownish, with the most valuable type exhibiting a well known...

Oregon Opal

variety of different kinds of opal can be found in Oregon in the United States. Crystal, contra luz, hydrophane, hyalite, dentritic, fire, common opals and more all occur in Morrow county in an area called Opal Butte. Some great gemstones are produced from this location even though some of the...

Opal

Opal is a hydrated silicon dioxide. This means that it has a crystal structure that is amorphous as well as a very high water content. It is considered to be a mineraloid,” and has a hardness of 5.5 to 6.5 on the Mohs scale, a density of 1.98 to 2.5,...