About Alexandrite: One of the most valuable gemstones is the variety of Chrysoberyl known as Alexandrite. Alexandrite is renowned for its color change from red under incandescent light to green in daylight or fluorescent light. Alexandrite was discovered in 1830 in the Ural Mountains of Russia and named after Czar Alexander ll. Alexandrite is extremely rare and symbolize, good fortune and luck and it’s known for its unique ability to change color, embodying the spirit of change and balance.
Alexandrite Treatment: Natural Alexandrite are rarely treated, and when they are, it’s typically for minor clarity enhancements. Unlike other gemstones, Alexandrite does not respond well to heat treatment to improve color, and such treatments are generally not accepted for this gem.
Alexandrite Care: Alexandrite has a hardness of 8.5 on the most scale and is an extremely durable gemstone resistant to scratching. It is, however, an extremely valuable gemstone and should be treated with love and care. Warm, soapy water and a soft toothbrush and fine jewelry Cleaners can be used to clean Alexandrite jewelry.
About Amber: The organic gem from fossilized tree resin.
Amber Treatment: The common number treatments include heat to deep in the Color and irradiation to alter color. Amber can also be reconstructed using small fragments which are melted and formed again.
Care and cleaning: Amber is a relatively soft gemstone so prolonged exposure to sunlight and extreme temperatures should be avoided. Clean with warm soapy, water and a soft toothbrush. Avoid chemicals, ultrasonic cleaners, and steam.
Amethyst Amber: Gemstone Quartz
Amethyst Treatment: Heat
Amethyst Care: For safe cleaning, use warm, soapy, water, and a soft toothbrush. Amethysts can crack or fade if exposed to high temperatures, so intense heat is not recommended.
About Ametrine: Quartz
Ametrine Treatment: Heat
Ametrine Care: For safe cleaning use warm, soapy, water and a soft toothbrush. Ametrine can crack or fade if exposed to high temperatures, so intense heat is not recommended.
About Ammolite: Ammolite is a rare iridescent gem quality material cut from fossilized shells of extinct sea creatures called ammonites, found only in the bear paw formation in Alberta Canada. This organic gemstone has a dazzling range of colors and patterns and is highly desired for cabochons, inlays and assembled jewelry pieces. Its multi chromatic nature makes it look similar to black opal. The hardness of the Fossil is only 3.5 to 4.5 on the most hardness scale so most Ammolites are doublets with clear quartz or synthetic spinel caps to protect the delicate fossil.
Ammolite Treatment: Stabilization with resins, creating doublets or triplets, and adding protective caps. These processes help protect the delicate aragonite layers from damage and improve the gems resistance to wear and tear.
Ammolite Care: Ammolite is sensitive to heat, chemicals and water, so it is important to avoid prolonged exposure to these elements. Cleaning should be done with soft damp cloth and mild soap, avoiding harsh chemicals, or ultrasonic cleaners. Ammolite is a rare, precious gemstone, and with care can last generations.
About Apatite: The neon blue green gem.
Apatite Treatment: Heat and color and clarity enhancement.
Apatite Care: Warm water and a soft toothbrush is the best way to clean jewelry set with appetites which are relatively soft. Harsh household chemicals and ultrasonic and extreme heat should be avoided.
About Aquamarine: Aquamarine is a rare, pale blue to sky blue gemstone, and the blue variety of Beryl, a mineral family that also includes emerald.
Aquamarine Garnet Treatment: Heat or rarely irradiation to remove greenish tints and to create a more desirable pure blue color. The color changed from heat treatment is generally stable and permanent.
Aquamarine Garnet Care: Warm soapy, water, and a soft toothbrush are the best ways to clean your aquamarine jewelry.
About Citrine: Quartz
Citrine Treatment: Heat
Citrine Care: Warm soapy water and a soft toothbrush are the best ways to clean your citrine jewelry.
Black Diamonds
Black Diamond Treatment: Heat, irradiation (unless specified to be unheated in the product details)
Black Diamond Care: For safe cleaning use warm, soapy, water, and a soft toothbrush. To avoid causing any damage, we do not recommend the use of steam ultrasonic cleaners, heat, or harsh chemicals.
Fancy Color Diamonds
About Fancy Color Diamonds: Rainbows from the Earth. Miner’s Gems carries an extensive selection of rare and exotic natural fancy color diamonds from all over the world. A large variety of our fancy color diamonds are completely natural with GIA or EGL certification. We also carry a selection of natural diamonds with treated colors that are priced significantly lower than their naturally colored counterparts.
Color Diamond treatments : Heat, radiation, coating, HPHT (high pressure, high temperature) always require disclosure.
Diamond care: We recommend the use of lint-free cloths, commercial jewelry cleaning solutions and household dish soap for safe cleaning of your diamonds. Powdered abrasive household cleaners, ultrasonic cleaners, and steam cleaners should be avoided as they can loosen the prongs and the small gemstone accents in your jewelry.
About Emerald: The most prominent member of the Beryl family, Emerald is one precious gemstone that is extremely valuable and durable with proper care.
Emerald Treatment: Emeralds are often treated to enhance their appearance, with the most common treatments being oil treatments and resin treatments. These treatments fill internal fractures and fissures improving clarity and overall appearance. Almost all emeralds on the market have undergone some form of treatment with oiling being the most traditional and widely accepted.
Emerald Care: Emerald is a tough gemstone, but scratches easily. To keep emeralds safe from scratching, they should be placed in separate silk pouches or bags or jewelry cases so that prongs from other Jewelry do not scratch the surface. Also, most colored stones, including Emerald, because of their value should not be worn while gardening, house cleaning or other rigorous activities, which could scratch them. Warm soapy, water and a soft toothbrush is the best way to clean jewelry set with Emerald.
About Garnet: Garnet is a diverse gem family consisting of the common brownish red garnet (Almandite) and includes some rare and exotic gems like Tsavorite, the Green Garnet, the Demantoid Andradite Garnet, the diamond like Garnet and Spessartite, the Mandarin garnet.
Garnet Treatment: Garnets are rarely treated, with heat and fracture filling being the most common exceptions. Heat treatment may be used to enhance color, and surface treatments, like oil or resin may be used to improve the clarity of some garnets like demantoid and hessonites.
Garnet Care: Garnets are extremely tough and durable, 7 on the Mohs scale of hardness. All colored stones, including garnets can be scratched, which reduces their luster and shine so like all valuable jewelry, warm soapy, water, and soft toothbrush is the best way to clean jewelry set with garnets and avoid harsh chemicals and abrasives.
About Glacier Blue: Natural gem quality Covellite, a very rare copper sulfide mineral which crystallizes in the form of mass hexagonal, from the Kennecott mines in Alaska is precious and highly sought after by gem collectors.
Glacier Blue Treatment: Glacier Blue is a relatively soft gemstone, and is often coated with wax or lacquer to create a barrier against moisture and air, reducing the risk of tarnish and corrosion.
Glacier Blue Care: Covellite should be stored in a cool dry place with stable temperature, high levels of moisture should be avoided, prolonged sunlight exposure can cause the color of Covellite to fade over time. For cleaning, gently wipe with soft cloth and mild soap solution. Avoid harsh chemicals, detergent, ultrasonic or steam cleaners as these can damage the material.
About Glacial Gold: Natural bull white quartz is infused with gold veins, resulting in a beautiful gem.
Glacier Gold Treatment: Infusion with 20 karat gold and epoxy resin used for stabilization
Glacier Gold Care: Warm soapy, water and a soft toothbrush or a damp mildly soapy cloth can be used to keep cleaning Glacier Gold jewelry. As most of this jewelry is inlayed, prolonged exposure to water and harsh household chemicals should be avoided.
About Kunzite: The purple, pink gem
Kunzite Treatment: Heat exposure, to intense light and sunlight should be avoided as the color of Kunzite is prone to fading.
Kunzite Care: Warm soapy, water and a soft toothbrush is the best way to clean jewelry set with Kunzites. Avoid hot, ultrasonic and steam cleaners, and harsh chemicals and household detergents.
About Larimar: The rare blue Pectolite from the Dominican Republic.
Larimar Treatment: None
Larimar Care: Mild soapy, water and soft toothbrush are the best ways to clean jewelry set with larimar. Avoid hot ultrasonic and steam cleaners, harsh household chemicals and detergents.
About Morganite: The peach Beryl
Morganite Treatment: Heat or irradiation
Morganite Care: Warm soapy, water and a soft toothbrush are the best ways to clean jewelry set with Morganites. Ultrasonic and steam cleaners are usually safe, except in instances where the stone has liquid inclusions or fractures.
About Opals: A gorgeous, but delicate gemstone, opal is five on the scale of hardness. It’s a combination of silica and water. Opals generally have a white or gray body color in rare cases, black body color with harlequin or pin fire play of color.
Opals Treatment: A gorgeous, but delicate gemstone, opal is five on the scale of hardness. It’s a combination of silica and water. Opals generally have a white or gray body color in rare cases, black body color with harlequin or pin fire play of color.
Opals Care: Opals are delicate gemstones, but with care can last lifetimes. Opals cannot be exposed to extreme temperatures, which causes them to dehydrate and craze or crack. Mildly warm soapy water is the best way to clean jewelry set with opals. A soft cloth and a soft toothbrush can also be used. Opals should not be soaked in ultrasonics and direct heat needs to be avoided at all costs.
Cultured Akoya Pearls and Cultured freshwater pearls
Pearls Treatment: Bleaching
Pearls Care: Mildly warm, soapy water, or a damp cloth. Pearls cannot be subjected to ultrasonic cleaning, and are very sensitive to sudden temperature changes, perfume, hairspray, cosmetics, and chemicals.
Cultured Tahitian pearls
Cultured Tahitian Pearls Treatment: None
Cultured Tahitian Pearls Care: Mild soapy water, or a damp cloth. The pulse cannot be subjected to ultrasonic cleaning, and are very sensitive to sudden temperature changes, perfume, hairspray, cosmetics, and chemicals.
About Ruby: Ruby is often called the king of sapphires. Both these gems belong to the corundum family. All the gems in the random family besides the red ruby are called Sapphires.
Sapphires and Rubies Treatment: Sapphires and rubies have different levels of treatment
All treatments except heat are clearly disclosed.
Sapphires and Rubies Care: Rubies and Sapphires are traditionally the colored gemstone royalty. A number 9 on the Mohs scale of hardness, rubies and sapphires are extremely durable, wearable, and a treasure that last generations, but like all colored gemstones, they can be scratched which reduces their luster and shine so like all valuable jewelry, warm soapy, water, and a soft toothbrush is the best way to clean jewelry set with rubies and sapphires, and avoid harsh chemicals and abrasives.
Color treated rubies and sapphires should not be heated as it may cause them to lose color so hot ultrasonic and direct heat should be avoided.
About Spinel: The most misunderstood, rare gemstone
Spinel Treatment: In most cases, spinel gemstones are not treated, as their natural brilliance and color often require no enhancement. This makes untreated spinel highly sought after in the gemstone market. Heat is the only treatment in extremely rare cases.
Spinel Care: Spinel is a very tough gemstone, 8.5 on the Moh’s scale of hardness. As with all other rare and valuable gemstones, the best way to clean jewelry set with spinels is warm, soapy, water and soft toothbrush. Ultrasonics should be avoided as they tend to loosen prongs.
About Tanzanite: The blue purple gemstone from Tanzania East Africa is 7.5 on the hardness scale.
Tanzanite Treatment: Heat
Tanzanite Care: Tanzanite is a tough gemstone, but scratches easily. To keep tanzanites safe from scratching, they should be placed in separate silk pouches or bags or jewelry cases so that prongs from other Jewelry do not scratch the surface. Also, most colored stones, including Tanzanite because of their value, should not be worn while gardening, house cleaning or other rigorous activities, which could scratch them. Warm soapy, water and a soft toothbrush is the best way to clean jewelry set with Tanzanite.
Blue Topaz Treatment: Heat or irradiation
Imperial topaz Treatment: None
Topaz Care: 8 on the scale of hardness, topaz is extremely tough. Warm soapy, water and a soft toothbrush is the best way to clean jewelry set with topaz.
About Tourmaline: A beautiful family of gemstones, consisting of Rubellite (red to pink) tourmaline, Indicolite (blue green) tourmaline, Verdite (green) tourmaline and the extremely rare Paraiba Tourmaline.
Tourmaline Treatment: Being an extensive family, most tourmalines are natural, requiring no treatment. Very rarely are they enhanced through heat treatment and irradiation.
Paraiba tourmalines being an exception, which are both color and clarity enhanced as they are naturally included.
About Zircon: The gemstone of fiery starlight.
Zircon Treatment: Heat
Zircon Care: Warm soapy, water and soft toothbrush is the best way to clean jewelry set with natural zircons. Harsh household chemicals and ultrasonic should be avoided. Zircon Jewelry should be set and its own box or pouch to avoid being scratched by other jewelry.
Precious Metal Content: 41.7% gold
Alloys: 58.3% alloy metals
Treatments:
Precious Metal Content: 58.3% gold
Alloys: 41.7% alloy metals
Treatments:
Precious Metal Content: 75% gold
Alloys: 25% alloy metals
Treatments:
Precious Metal Content: 91.7% gold
Alloys: 8.3% alloy metals
Treatments:
Precious Metal Content: 99.9% gold
Alloys: none
Treatments:
Precious Metal Content: 92.5% Silver
Alloys: 7.5% alloy metals
Treatments: Rhodium
Precious Metal Content:
Alloys:
Treatments: Rhodium
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