Tungsten Magnesium Worry Coin Stress relief Teacher Science coin
You will get 2 coins for the price of 1: Tungsten & Magnesium coins. 
 * WIDTH: 1" (25.4mm) diameter 
 * HEIGHT: 0.15" (0.38 cm)
 * WEIGHT: Mg ~3gr
 W ~30gr(10x the weight of Mg in the same size!)
Great to carry with you anywhere. It is also a nice desk ornament or use it to feed your scientific hunger :)
Magnesium is a chemical element with the symbol Mg and atomic number 12 and it is the ninth most abundant element in the universe. It is a shiny gray metal. Over time, it develops a light gray oxide-layer or patina. Magnesium has the lowest melting (923 K = 1,202 °F). It is flammable, especially when powdered or shaved into thin strips, though it is difficult to ignite in this Coin form, so you shouldn't worry.
Magnesium is the eleventh most abundant element by mass in the human body and is essential to all cells. It helps keep blood pressure normal, bones strong, and the heart rhythm steady.
Tungsten, or wolfram (W), is a chemical element with the symbol W and atomic number 74. It is a rare metal found on Earth. W has the highest melting point of all the elements discovered (3,422 °C = 6,192 °F). Its density is 19.25 times that of water, comparable with that of uranium and gold. Hard to machine. It is the heaviest element known to be essential to any living organism. 
I machined this Worry Coin out of a 1" diameter solid bars. You can choose between machined only surface and polished as well as personalized.
BENEFIT #1 - The smoothness and the size of the MetonBoss Worry Coin feels good in the hand and the pocket. Used for relaxation or anxiety relief. They are used by holding the Worry Coins between the index finger and thumb and gently moving one's thumb back and forth across the stone. This action of moving one's thumb back and forth across the coin can reduce stress. 
Some people also use them during meditation practices, this is known to center a persons concentration benefiting the meditation.
BENEFIT #2 - Fidgeting with your Worry Coin has been shown to improve focus and boost memory, as well as promote relaxation in adults and children likewise. This small, but durable Coin can be useful for those dealing with ADHD, stress, and Autism, so GET yours today and RELAX!
 S P E C I A L: With every $200 purchase or more, you get a Titanium, Zirconium, Greek Ascoloy or Copper surprise gift (up to $80 retail value) (Note: the $200 is for the net amount, not including tax and shipping. One free gift per address. The following items do NOT QUALIFY: Discounted items, including 2 for 1 offers and items on sale or if paid with a discount coupon. Also do NOT qualify for the free item: any orders with knife installation (as I get these knives at retail price) and custom orders not listed in my etsy store. 
The most unique Worry Coins you will find, perfect gift for you and your loved ones 
PRECISION - Each MetonBoss Worry Coin isprecision machined in our Anaheim manufacturing facility in California, USA from a 1" diameter solid bar using the highest grade metals. Once machined and polished, each section is carefully quality checked by our quality personnel.

 item for yourself or as a gift that can be passed down from generations to generations.

Our turn around time is about 3-6 business days. 
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Tungsten Magnesium Worry Coin Stress relief Teacher Science coin