Gemology

A short information about the most popular gemstones.



AMETHYST


Amethyst is the most popular stone of the Quartz group.
The name (greek) means: "not drunken". So in history the Amethyst was used as a charm against drunkenness.

Sicnificant deposits are located in Brazil, Uruguay, Madagascar and Zambia

Since Amethyst is one of the most important commercially used gemstones, SUC keeps a huge stock in roughstones to cut them according to our customer


AQUAMARINE


Aquamarine got its name because of its light blue and greenish blue color tones, looking like seawater. Aqua means in Latin water, Marine sea or Ocean.
Aquamarine is a member of the Beryl family and is the birthstone for March. People believe Aquamarine brings good luck to the sailor.

The major deposits are in Brazil, Madagaskar, Nigeria, Zambia and Russia. Varieties in color are: pink Morganite, yellow Heidor, red Bixbite and golden Beryl.

SUC has a steady supply of roughstones.


AMBER

Baltic Amber is fossilised pinetree resign about 20-40 million years old. The oldest Amber is 150 million years old and was found in Libya. Amber is one of the oldest gems known to menkind. It bilongs to the seven valuable things for the Chines and has a lot of meanings to the people.

The two important sources are the Baltic Sea and the Domenican Republic.

SUC deals in all kinds of Baltic Amber including calibrated sizes, free sizes and Amber with inclusions.


CITRINE

Citrine is named after the french word for lemon.
Citrine is a variety of quartz and the color occures from fine light yellow to intensive golden yellow and orange.

Citrine is mined in Brazil, Uruguay and Madagascar.

SUC has a steady supply of roughstones.


EMERALD

The word Emerald is derived (via Old French: Esmeraude and Middle English: Emeraude), from Vulgar Latin: Esmaralda/Esmaraldus, a variant of Latin Smaragdus, which originated in the greek word "Smaragdos" which means green stone and it is regarded as an symbol for good fortune.

Emerald is a member of the beryll family and one of the most precious stones and highly in demand for its intensive, unique deep green color.

Major deposits are in Columbia, Brazil, Pakistan and Zambia.

Through our widespread connections, SUC has access to this merchandise.


IOLITE

The name Iolite, his name is comes from the greek word ios and means violet.

The seafaring vikings used it as a navigation instrument to sail the oceans. The strong pleochrosim help them to filter the sunlight.

Iolite is mined mainly in India and Afrika.

SUC carries a wide range of roughstones.


GARNET

The mane Garnet now applied to the entire family, wass originaly given to the garnets of the pyrope - almandine series, due to their resemblance to red pomegranate seeds. (latin name: malum granatum)

Colors are red, purple, orange,yellow and green. We distinguish red pyrope and Mozambique Garnet, red - purple Rhodolite, orange Spessartine, Hessonite (browish yellow) and green Tsavorite.

Major deposites are: Kenya, Zambia, Tanzania, Sri Lanka, Brazil and China.

SUC keeps a big stock of Mozambique Garnet, Rhodolite and Tsavorite in roughstones. The other kinds of Garnets are available too.


OPAL

Opal is an old word from India and means stone.

Opal always contains water between, it is only a small percentage. If the stone looses this water it gets cracky. Therfore Opal should be always a bit moist.

There are two kinds of Opal: The Rainbowopal and the Fireopal.

The most important deposit for rainbow, plack and white Opal is Australia, for the Fireopal it is Mexico.

Through our widespread connections, SUC has access to this merchandise.


PERIDOT

The meaning of the word Peridot is uncertain. The Oxford English Dictionary suggests an alteration of Anglo–Norman pedoretés (classical Latin pæderot-), a kind of opal, rather than the Arabic word faridat, meaning "gem".

Peridot is one of the few gemstones that occur in only one color, an olive green. The intensity and tint of the green, however, depends on how much iron is contained in the crystal structure, so the color of individual peridot gems can vary from yellow- to olive- to brownish-green. The most valued color is a dark olive-green.

Peridot olivine is mined in Egypt, United States of America, Australia, Brazil, China, Kenya, Mexico, Myanmar (Burma), Norway, Pakistan, Saudi Arabia, South Africa, Sri Lanka, and Tanzania.

SUC can supply Peridot in calibrated sizes, in special cuts and cut-to-fit.


QUARTZ

The name Quartz is an old German word for mine.

It is one of the most widely distributed minerals in the earth's crust somtimes found as elegant crystal whose luster, hardness, and watery transperency or, conversely pleasing color have long been a source of fascination,causing it to be widely employed as a gem or ornamental material.

Quartz is extremely widespread, the most famos locations for magnificent, lage crystals being the French Alps, the St. Gotthard massif in the Swiss Alps, the USA, Brazil and Madagasca. Besides Amethyst, Citrine and Ametrine.

SUC carries Rose Quartz, white Quartz, Rutil Quartz, Smokey Quartz, Yellow Quartz and all other fancy colors.


RUBY

Ruby comes from the latin word "rubens" which means red.

Ruby forms together with the Sapphire the Corundum-group. Its hardnessis only 1/140 of the hardness of the Diamond but it is as the second hardest stone still 7 times harder then the next following, the Topaz.

Major deposits are located in Myanmar (Burma), Vietnam, Thailand, Sri Lanka and Tanzania.

Through our widespread connections, SUC has access to this merchandise.


SAPPHIRE

Sapphire is the latin name for blue (sapphiru).

In our days the most people consider the Sapphire as a preeminent blue gemstone. But it is found and cut in all fancy colors from white to yellow, orange, pink and green,as well

The major deposits are: Sri Lanka, Thailand, Myanmar, Cambodia, Nigeria, Madagascar and Australia.

Through our widespread connections, SUC has access to this merchandise.


TANZANITE

Tanzanite is the blue variety of Zoisite, discoverd in Tanzania in 1967 is commonly known as Tanzanite. The stone is named by the New York Jewelers Tiffany, after the country where it is mined and to date, has been found nowhere else on earth.

It is said to have very low resistance to ultrasound. Tanzanite-Jewellry should, terefore, never be cleaned with ultrasonic cleaners. It is one of the most popular blue gemstones.

Through our widespread connections, SUC has access to this merchandise.


TOPAZ

The name Topaz is coming from a former source, the island Zebriget in the Red Sea, which had the greek name "Topazos".

The colors of Topaz are yellow, pink, blue,greenish and white. However most popular is , in different ways treated white Topaz in the colors: Skyblue, Swissblue and London blue.

Topaz is mined in Brazil, China, Sri Lanka, Nigeria and India.

SUC carries the hole range of collors. We cut them not only in the standard shapes also we do fancy cuts and cuts to fit.


TSAVORITE

The green variety of grossular garnet, discovered a few decades ago and found mainly in Kenia, near the Tsavo National Park, is also known as Tsavorite.

If a good color (a likely, strong green), it can be in the top price bracket for secondary gems,this is especially true for the very rare examples weighting a few carats.

Through our widespread connections, SUC has access to this merchandise.


TOURMALINE

The name is coming from the Singalese word "turmail" but its basic meaning is uncertain. No other gemstone has such a variety of colors as Tourmaline.

Tourmaline is found in almost every color and colorshade. Most common are green and pink.

Major deposits are in Brazil, Sri Lanka, Afrika, Pakistan, Russia, USA and India.

SUC stocks and cuts green and pink Tourmaline. Singlestones in bi-color are available, too.


AGATE

Agate is a member of the Quartz-group and it is gemmological name is Chalcedony after the ancient port on the Sea of Marmara, Chalcedon. Agate from the now exhausted German deposits had soft, pleasant colors, in red, pink and brownish, separated by shining grey layers. The Agate from South America is usually grey and with dull patterns. Therefore these Agate are colored. Agate was the reason that in Germany, in Ider-Oberstein a whole industry was established.

The main deposits are Uruguay and the boardering regions of Brazil, but it is found in many other countries.

SUC is using Agate for slaps, carvings sculptures, cameos and many other things.
SUC carries a wide range of engravings, arrivings, scuptures etc..