why does my diamond look blue under uv light

why does my diamond look blue under uv light

Overall, diamond fluorescence should not be a major factor in the purchase of a diamond since its effects are negligible, if not slightly positive. The exception would be to exercise caution in purchasing a diamond with Strong fluorescence in D-F color diamonds or Very Strong fluorescence in G-H color diamonds(which do not possess enough body color to offset the degree of fluorescence). Every Lumera Diamond displays the fluorescence grade as determined by the, using the following scale: Very Strong, Strong, Medium, Faint, None For a precise summary of the effects of fluorescence on price, use the chart below. The effect on price varies depending on the degree of fluorescence, diamond color, and clarity. For example, according to the chart, an E color diamond of VS1 clarity and Strong

 why does canada have a small population

why does canada have a small population

For the country with the second-largest landmass, Canada s population is pretty minuscule. And not just minuscule relative to its land, or in comparison to the United States. Canada s population is small in general. Canada is 38th in the world when it comes to size by population, behind countries a fraction of its size like the U. K. , Italy and even Poland. Our right now isВ 36,624,199. That doesn t really seem like such a big deal, but author and journalist wrote a whole book,В ,В on how tiny Canada is and how it s actually hurting us. Why are we so tiny in the first place? As Saunders points out, we consider ourselves a country of immigrants, so where is everyone? As it turns out, Canada hasn t always been as welcoming as it is today. According to Saunders research, before

 why does my heat pump freeze up

why does my heat pump freeze up

Hannabery HVAC. All rights reserved. Heat pumps can ice-up during the winter time. And it is normal for the entire coil to be covered in a white frost, even light ice, during certain weather conditions. But it is for the entire unit to be encased in ice; including the top of the unit and the insides of the coil for an extended period of time. This indicates a problem and should be addressed quickly to save energy and avoid serious damage to the equipment. Heat pumps will naturally ice-up in the winter but will periodically go into a defrost cycle to de-ice the coils. This keeps the unit running efficiently. If the coils are blocked by ice, proper heat transfer between the refrigerant and the outside air cannot occur. The unit pictured left, was iced-up so badly, it damaged the fan

 why does my dog pee every 5 minutes

why does my dog pee every 5 minutes

Thanks for the question, While I cannot diagnose this over the internet I would say that from the symptoms you describe what you are dealing with is possibly a urinary tract infection { UTI } also called cystitis. If this is the case although it is uncomfortable for your dog it is rarely a serious situation. If this is a UTI then there is little you can do on the short term apart from encouraging him to drink more, then seeing your vet as soon as it can be arranged is the way to go as prescription drugs normally sort things out quickly. While there are home remedies such as cranberry juice they are not so effective as antibiotics and would take a few days to even start to exert an effect. some or all 1. Increased frequency of urination. 2. ...

 why does my refrigerator freeze my food

why does my refrigerator freeze my food

3. Keep Food Away From Vents Once you ve determined the problem area, check to see if it s near a vent. Most fridges have a cooling vent above or on the side of the top shelf. This is where most of the cold air comes from, so keeping food away from here may prevent freezing. (A 5-inch radius should do the trick. ) If the problem area is a door shelf, you may want to adjust its position. Some side-by-side refrigerators (particularly older models) feature a vent that funnels cold air from the freezer into the fridge. ...

 why does my iphone heat up while charging

why does my iphone heat up while charging

1. Bad Connection In areas with poor or reduced connectivity, iPhone has to expend more time searching for and maintaining network connections. This in turn uses more energy which causes the battery to heat up. Possible Solution on and see if you have the same problem with heating up. I also have an iPhone and I myself notice that it does not heat up if I am out in the open, but it heats up and drains the battery if I am in the basement of a large concrete building. 2. Case? If you have a case for your iPhone, you should expect that it heats up. The case, while it does protect your phone, also blocks some air from coming out and consequently causes the hot air to be trapped inside the phone. ...

 why does my car air conditioner smell like vinegar

why does my car air conditioner smell like vinegar

You should always pay attention when you notice such smells. They could indicate that your AC needs to be repaired. If unpleasant or strange scents are emanating from your air conditioning unit, it is probably time to give the experts at Just In Time Furnace Inc. a call. Why Does Your AC Smell Bad? Your air conditioner might emit all kinds of smells depending on its condition. The following are some of the most common odours people detect coming from their AC units, as well as some of the potential causes: Б Vinegar Б When the air coming from your air conditioner smells sour, like vinegar, the problem could be from an electric motor that is emitting ozone. Other possible reasons could be excess condensation on the coils, a malfunctioning filter, a clogged condensate pan, or mold in the

 why does my leg hurt so bad

why does my leg hurt so bad

Try support stockings to relieve the pain. And throughout the day, switch between standing and sitting. See your doctor about other types of treatment if your are very painful. Lower-extremity peripheral arterial disease. This can happen when the in your legs become damaged and hardened. When your arteries narrow or become blocked, your legs miss out on the blood flow they need. That can cause your lower leg to cramp and feel pain when you walk, climb stairs, or do other kinds of, because muscles aren't getting enough blood. Resting helps. But if your arteries become severely narrowed or blocked, the pain may persist, even when you rest. Also, wounds may not heal well. You're more likely to get this condition if you have, or you smoke or are. ...

 why does it hurt when you lose your virginity

why does it hurt when you lose your virginity

What happens the first time you have sex? Does it hurt to lose your virginity? , it may hurt, or feel good, or both. There might be pain and bleeding the first time a penis or fingers go into your vagina, but it doesnБt happen to everybody. Some people naturally have more hymenal tissue than others Б this pain and bleeding can happen when their hymen gets stretched. If pain and bleeding doesnБt get better after the first time you have vaginal sex (penis-in-vagina), you can slowly stretch your hymen tissue with your fingers over time to make it less painful. In rare cases, people may need to see a doctor for a small procedure to open their hymen. If you're worried about your hymen or have pain during sex, talk with your doctor or visit your local. ...

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