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nomansland
Answer
Become familiar with imitation jade. Only jadeite jade and nephrite jade are authentic jade. The most expensive and desirable jadeite (Burmese Jadeite, Burma Jade, Imperial Jade, or Chinese Jade) usually comes from Myanmar (formerly Burma), and small quantities are mined in Guatemala, Mexico and Russia. 75% of the worldâs jade comes from the mines of British Columbia in the form of nephrite, but it's also mined in Taiwan, the United States and (in small amounts) Australia.[1] In New Zealand Greenstone or Pounamu is highly regarded by MÄori. MÄori people recognize four main types of pounamu, identifying their color and translucence: kawakawa, kahurangi, Ä«nanga. These are all nephrite. They also regard a fourth type of pounamu - tangiwai- from Milford Sound which, although prized is actually bowenite and not truly jade in the eyes of the rest of the world. Other materials passed off as jade include:
serpentine ("New Jade" or "Olive Jade")
prehnite
aventurine quartz
grossular garnet ("Transvaal jade")
Chrysoprase ("Australian jade" - most of it comes from Queensland, Australia)
Malaysia Jade (permanently dyed translucent quartz that may be called by its color â Red Jade, Yellow Jade, Blue Jade)
opaque dolomite marble ("Mountain Jade" - from Asia, dyed in vibrant colors)
Irregularities mean it's probably realHold it up to a bright light. If possible, examine the internal structure with a 10X loupe. Can you see little fibrous or granular, felt-like, asbestos-like intertwinings? If so, it's probably genuine nephrite or jadeite. Chrysoprase, on the other hand, is microcrystalline, so it'll look homogenous.[2]
If you see anything resembling layers with the 10X loupe, you're probably looking at jadeite that's been "doubled" or even "tripled" (thin layer of gem-quality jadeite sometimes glued over a different base).[2]
Observe the density. Both jadeite and nephrite have a very high density (jadeite - 3.3; nephrite - 2.95). Density is measured by dividing the weight (in grams) by the volume (c.c.).
A specific density gravity test can be performed as described below, or you can judge the density less accurately by tossing the stone in the air and catching it in your palm. If it feels heavier than most stone pieces of the same size, it is more likely to be authentic jade.[3]
Another way to judge density is to observe the sound of plastic beads gently tapping each other. If you have a piece of real jade, clink it against the stone in question. If it sounds like plastic beads, then the stone in question is probably fake.
Should be cold and stay cold for a bitHold the piece of jade in your hand. It should feel "cold, smooth and soap like to the touch".[4] It should take a while to get warm if it is real. However, this is very subjective, and most helpful when you can compare it to real jade of a similar shape and size.
Wind a strand of hair around the piece. then hold it over an open flame, such as a match or a lighter, for about a second. If the hair burns away, the piece is not real. But if it stays intact, the piece should be real.
Perform a scratch test. Jadeite is very hard; it will scratch glass or even metal. Nephrite, however, can be much softer, so performing a scratch test improperly may damage a genuine piece. Use the blunt end of a pair of scissors and gently press down and draw a line on an area on the jade piece that is not visible (bottom or end of the piece). Avoid any weathering surfaces because these are much softer and can be easily damaged. If the scratch makes a white line, gently wipe it off (it might be metal residue from the scissors). Is there still a scratch? If so, it's probably not authentic jade.[5] If it scratches glass or steel, it could still be many of the alternatives to jade as well, including the various forms of green quartz and prehnite.
Perform this test at your own risk. The piece may be very valuable, even if it's not made from jade, and can lose significant value if scratched.
Look for other deceptive practices. Even if you have real jade in your hands, it can still be treated by dyeing, bleaching, use of stabilizing polymers, and creating jade doublets and triplets. Jade is divided into three categories based on these possibilities:
Type A - natural, untreated, undergoes a traditional process (plum juice washing and polishing with beeswax), no "artificial treatments" (e.g. high temperature or high-pressure treatments), "true" color.[6]
Type B - Chemically bleached to remove impurities, injected with polymer with the use of a centrifuge to enhance translucency, covered with hard and clear plastic like coating, subject to instability and discoloration over time because polymer gets broken down by heat or household detergent, still 100% real jade with 100% natural color.[6]
Type C - chemically bleached, dyed to enhance color, subject to discoloration over time due to reaction with strong light, body heat or household detergen
Become familiar with imitation jade. Only jadeite jade and nephrite jade are authentic jade. The most expensive and desirable jadeite (Burmese Jadeite, Burma Jade, Imperial Jade, or Chinese Jade) usually comes from Myanmar (formerly Burma), and small quantities are mined in Guatemala, Mexico and Russia. 75% of the worldâs jade comes from the mines of British Columbia in the form of nephrite, but it's also mined in Taiwan, the United States and (in small amounts) Australia.[1] In New Zealand Greenstone or Pounamu is highly regarded by MÄori. MÄori people recognize four main types of pounamu, identifying their color and translucence: kawakawa, kahurangi, Ä«nanga. These are all nephrite. They also regard a fourth type of pounamu - tangiwai- from Milford Sound which, although prized is actually bowenite and not truly jade in the eyes of the rest of the world. Other materials passed off as jade include:
serpentine ("New Jade" or "Olive Jade")
prehnite
aventurine quartz
grossular garnet ("Transvaal jade")
Chrysoprase ("Australian jade" - most of it comes from Queensland, Australia)
Malaysia Jade (permanently dyed translucent quartz that may be called by its color â Red Jade, Yellow Jade, Blue Jade)
opaque dolomite marble ("Mountain Jade" - from Asia, dyed in vibrant colors)
Irregularities mean it's probably realHold it up to a bright light. If possible, examine the internal structure with a 10X loupe. Can you see little fibrous or granular, felt-like, asbestos-like intertwinings? If so, it's probably genuine nephrite or jadeite. Chrysoprase, on the other hand, is microcrystalline, so it'll look homogenous.[2]
If you see anything resembling layers with the 10X loupe, you're probably looking at jadeite that's been "doubled" or even "tripled" (thin layer of gem-quality jadeite sometimes glued over a different base).[2]
Observe the density. Both jadeite and nephrite have a very high density (jadeite - 3.3; nephrite - 2.95). Density is measured by dividing the weight (in grams) by the volume (c.c.).
A specific density gravity test can be performed as described below, or you can judge the density less accurately by tossing the stone in the air and catching it in your palm. If it feels heavier than most stone pieces of the same size, it is more likely to be authentic jade.[3]
Another way to judge density is to observe the sound of plastic beads gently tapping each other. If you have a piece of real jade, clink it against the stone in question. If it sounds like plastic beads, then the stone in question is probably fake.
Should be cold and stay cold for a bitHold the piece of jade in your hand. It should feel "cold, smooth and soap like to the touch".[4] It should take a while to get warm if it is real. However, this is very subjective, and most helpful when you can compare it to real jade of a similar shape and size.
Wind a strand of hair around the piece. then hold it over an open flame, such as a match or a lighter, for about a second. If the hair burns away, the piece is not real. But if it stays intact, the piece should be real.
Perform a scratch test. Jadeite is very hard; it will scratch glass or even metal. Nephrite, however, can be much softer, so performing a scratch test improperly may damage a genuine piece. Use the blunt end of a pair of scissors and gently press down and draw a line on an area on the jade piece that is not visible (bottom or end of the piece). Avoid any weathering surfaces because these are much softer and can be easily damaged. If the scratch makes a white line, gently wipe it off (it might be metal residue from the scissors). Is there still a scratch? If so, it's probably not authentic jade.[5] If it scratches glass or steel, it could still be many of the alternatives to jade as well, including the various forms of green quartz and prehnite.
Perform this test at your own risk. The piece may be very valuable, even if it's not made from jade, and can lose significant value if scratched.
Look for other deceptive practices. Even if you have real jade in your hands, it can still be treated by dyeing, bleaching, use of stabilizing polymers, and creating jade doublets and triplets. Jade is divided into three categories based on these possibilities:
Type A - natural, untreated, undergoes a traditional process (plum juice washing and polishing with beeswax), no "artificial treatments" (e.g. high temperature or high-pressure treatments), "true" color.[6]
Type B - Chemically bleached to remove impurities, injected with polymer with the use of a centrifuge to enhance translucency, covered with hard and clear plastic like coating, subject to instability and discoloration over time because polymer gets broken down by heat or household detergent, still 100% real jade with 100% natural color.[6]
Type C - chemically bleached, dyed to enhance color, subject to discoloration over time due to reaction with strong light, body heat or household detergen
What kind of jewelry, tights and earrings should I have?
http://www.topshop.com/webapp/wcs/stores/servlet/ProductDisplay?beginIndex=0&viewAllFlag=&catalogId=33057&storeId=12556&productId=3846772&langId=-1&sort_field=Relevance&categoryId=208523&parent_categoryId=203984&pageSize=20
I just bought this dress for Christmas, Any ideas?
Answer
My general rule is that diamonds go with everything, so if you have them, wear them. :-) If you don't have diamonds, pearls would also match very well. Other than those, you could also go with rose quartz, or sapphire (or crystal) in pink or blue. Don't wear red stones like ruby because it'll be too matchy. If your hair is down, wear pendant or chandelier earrings; studs if your hair is up. I wouldn't recommend hoops.
If you want to be very festive, you could wear earrings and/or a necklace shaped like snowflakes or some other Christmas motif:
http://www.google.com/search?hl=en&sugexp=ppwl&cp=12&gs_id=20&xhr=t&q=snowflake+earrings&gs_sm=&gs_upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1166&bih=593&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi
http://www.google.com/search?hl=en&sugexp=ppwl&cp=11&gs_id=1u&xhr=t&q=snowflake+necklace&gs_sm=&gs_upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1166&bih=593&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi
For tights, I have two very different suggestions. I know the temptation is to wear black, but since you said it's for Christmas, black could temper the mood somewhat. For 99% of the functions you'll attend with that dress, sheer nude colored with a slight gloss will work (i.e., pantyhose with a slight satin finish).
The other suggestion would be if you wanted to be very bold. For that, you could make your tights more of a statement piece with something like white lace or white tulle. For less of a statement, go with plain sheer white or off-white. Do not wear opaque white because it can very easily make you look like an elf or a 6-year old.
My general rule is that diamonds go with everything, so if you have them, wear them. :-) If you don't have diamonds, pearls would also match very well. Other than those, you could also go with rose quartz, or sapphire (or crystal) in pink or blue. Don't wear red stones like ruby because it'll be too matchy. If your hair is down, wear pendant or chandelier earrings; studs if your hair is up. I wouldn't recommend hoops.
If you want to be very festive, you could wear earrings and/or a necklace shaped like snowflakes or some other Christmas motif:
http://www.google.com/search?hl=en&sugexp=ppwl&cp=12&gs_id=20&xhr=t&q=snowflake+earrings&gs_sm=&gs_upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1166&bih=593&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi
http://www.google.com/search?hl=en&sugexp=ppwl&cp=11&gs_id=1u&xhr=t&q=snowflake+necklace&gs_sm=&gs_upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1166&bih=593&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi
For tights, I have two very different suggestions. I know the temptation is to wear black, but since you said it's for Christmas, black could temper the mood somewhat. For 99% of the functions you'll attend with that dress, sheer nude colored with a slight gloss will work (i.e., pantyhose with a slight satin finish).
The other suggestion would be if you wanted to be very bold. For that, you could make your tights more of a statement piece with something like white lace or white tulle. For less of a statement, go with plain sheer white or off-white. Do not wear opaque white because it can very easily make you look like an elf or a 6-year old.
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Title Post: How can you tell if jade is real?
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Author: Yukie
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Rating: 92% based on 976 ratings. 5 user reviews.
Author: Yukie
Thanks For Coming To My Blog
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