Posts– Tagged "Gemstones"– Silver Street Jewellers

Posts — Gemstones

Ametrine

Posted by Wes Hutcheson on

Ametrine

CompositionAmetrine is an amethyst-citrine hybrid found within the same crystal and only exists within Bolivia.HistoryIn the 1600s ametrine was first imported to the European continent by a conquistador who obtainedthe mineral as a dowry when he married a princess from a local tribe.Healing propertiesAmetrine offers the mind fresh and innovative thoughts. Leaves the product in the natural light of thefull moon for the day and night to absorb the lunar rays to bring luck.

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Biwa Pearl

Posted by Laura Greenshields on

Biwa Pearl

Composition  Although not a true mineral due to their organic nature, pearl formations are globular cysts of calcium carbonate contained inside the tissue of marine mollusks as a means of protection. Most pearls sold on the market today are produced artificially by injecting an irritant into the shell of a mollusc.     History Biwa pearls are grown in Japan's Lake Biwa. Lake Biwa is the biggest lake in Japan, and is among the oldest in the globe. Pearls have been harvested from Lake Biwa for millennia, and cultured for over one hundred years.     Healing Properties   Pearls...

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Black Diamond

Posted by Laura Greenshields on

Black Diamond

Composition Black Diamond is one of the hardest types of natural diamond. It is a complex substance composed of diamond, graphite, and amorphous carbon. It is only present in the Central African Republic and Brazil. Its natural hue is a deeper gray or black, and it is more porous than that of most diamonds.     History   The Amsterdam Diamond is one of the biggest black diamonds in the world weighing 33.74 carats. It has 145 facets. It is of the shape of a peach, and cut from a rough measuring 11.17 grams.  One hypothesis claims that black diamonds are...

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Black Onyx

Posted by Laura Greenshields on

Black Onyx

Composition   Onyx refers to the parallel striped type of the silicate mineral chalcedony. Agate and onyx vary mainly in the manner that the stripped bands are organised: agate contains bent bands, while onyx has parallel bands. Onyx consists of a fine intergrowth of quartz and moganite.     History   Onyx has a long history of use in hardstone carving and jewelry. It was used in Egypt as early as the Second Dynasty to make bowls and other pottery items. Onyx is mentioned in the Bible many times. The ancient Romans brought onyx amulets containing the likeness of Mars, the god of war,...

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Black Sunstone

Posted by Laura Greenshields on

Black Sunstone

Composition   Sunstone, which is a plagioclase feldspar, displays prismatic properties when seen from some angles. It has been reported in southern Norway, Sweden, different United States localities, and the southern coast of South Australia.   History   The sunstone, or in Icelandic: sólarsteinn , is a type of mineral identified from many 13th–14th century written records of Iceland, one of which explains its function in finding the sun in a totally overcast sky. Sunstones are also listed in estate inventories in the 14th-15th century Iceland and Denmark.   Healing properties   Sunstone promotes the recognition of self in order to...

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