Sign In or Create Account

Knowledge Center

Science

Your Precious Metals collection is more than an art, it’s a science. Learning more about the science behind Gold and Silver will you give insight to minting and production processes used to create the iconic pieces in your collection. 

How is Gold Formed and Where Does it Come From?  

How is Gold Formed and Where Does it Come From?  

Learn how gold is formed and where it comes from. 
The Resilience of Platinum: Does Platinum Tarnish?

The Resilience of Platinum: Does Platinum Tarnish?

Discover the resilience of platinum including its tarnish resistance and enduring allure across industries.
How Are Gold Coins Made? The Art and Science Behind the Minting Process

How Are Gold Coins Made? The Art and Science Behind the Minting Process

How are gold coins made? Explore the intricate world of gold coin minting, from design conception to exquisite finishes.

All Science Resources

How to test platinum at home.

How to Test Platinum at Home: A Step-by-Step Guide

Learn how to test platinum at home to uncover the authenticity of your platinum through a series of steps.
Gold and silver Maple Leaf coins.

Gold Weight vs Silver Weight: The Density Debate

When it comes to gold and silver: which is heavier? Learn more about the density debate.
Gold and platinum bars.

What is the Density of Gold vs Platinum? 

Compares the density of gold and platinum and how their differences may apply to uses, rarity, market price, and other factors influencing investment choices.

How to Prevent Silver from Tarnishing?

Silver tarnishing, also known as toning, is very common but can impact the appearance and value of your silver items. Learn more about what causes

The Science of Precious Metals

Unlike paper currency and other types of investments, Precious Metals hold intrinsic value defined by their molecular makeup. The same Gold element listed on the

What Industries Use Silver?

Silver's uses in commerce and investment are well known. But what other factors drive demand?

How Gold is Making Human Visits to Mars a Possibility

The Mars Oxygen In-Situ Resource Utilization Experiment, also known as MOXIE, could help put humans on Mars.

What Is a Niobium Coin?

You hear about niobium all the time, but we do not necessarily know what it is or what uses it has. There is numismatic and

Solar Energy and Silver

Supply and demand is one of the main reasons why many Precious Metal buyers choose to invest in Silver. Learn about the demand behind

What is Silver?

Discover how the Silver periodic table placement clues into properties of the Ag element, or Silver symbol, as well as the melting point of Silver,

What are Pennies Made of?

What are Pennies made of? That is a common question for collectors. Due to their distinctive color and historical values, Pennies not only contain Copper

What are Quarters Made of?

We have a large collection of quarters, nickels, dimes and pennies. Here, you can find out answers to "what is a quarter made of", "what

Learn What Makes a Nugget Unique and How They Are Mined

Nuggets come in many shapes and sizes. They can be small, like a grain of sand; medium-sized, like a penny; or large, like an apple.

What is Gold?

The Gold symbol, the AU element, has unique properties that make it desirable. Learn how the Gold periodic table placement gives clues to these properties,

What is the Difference Between Precious Metals and Base Metals?

Many of us may remember our science class when we learned about Metals. There are many differences between Precious Metals and base Metals, which are

What is the Minting Process?

As coin collectors or investors, we do not think about how the coin came to pass. In knowing where it came from or what the

Where is Gold Mined?

Gold, atomic number 79, or AU is a naturally occurring element, existing in finite amounts around our Earth. Where is Gold Mined? Today, North America

Growth of Self-Driving Electric Cars Affecting Metals Demand

Fuel cell self-driving cars generate electricity from a chemical reaction between hydrogen and oxygen, using Platinum or Palladium as a catalyst.

Where is Platinum Mined?

The Platinum bullion value is high because of its scarcity and its use in industrial applications. Platinum is mined in very few places around the

Precious Metal Sizes Conversion Chart

Learn how to convert all measurements including how many grams in an ounce of Gold. How many grams a 100 oz Silver bar is or

Platinum from Asteroids: The Next Rush?

Asteroid mining is the idea that we could extract natural resources, such as Platinum and water, from nearby asteroids and use them here on Earth.
Learn how to test platinum at home to uncover the authenticity of your platinum through a series of steps.
When it comes to gold and silver: which is heavier? Learn more about the density debate.
Compares the density of gold and platinum and how their differences may apply to uses, rarity, market price, and other factors influencing investment choices.
Silver tarnishing, also known as toning, is very common but can impact the appearance and value of your silver items. Learn more about what causes
Unlike paper currency and other types of investments, Precious Metals hold intrinsic value defined by their molecular makeup. The same Gold element listed on the
Silver’s uses in commerce and investment are well known. But what other factors drive demand?
The Mars Oxygen In-Situ Resource Utilization Experiment, also known as MOXIE, could help put humans on Mars.
You hear about niobium all the time, but we do not necessarily know what it is or what uses it has. There is numismatic and
Supply and demand is one of the main reasons why many Precious Metal buyers choose to invest in Silver. Learn about the demand behind
Discover how the Silver periodic table placement clues into properties of the Ag element, or Silver symbol, as well as the melting point of Silver,
What are Pennies made of? That is a common question for collectors. Due to their distinctive color and historical values, Pennies not only contain Copper
We have a large collection of quarters, nickels, dimes and pennies. Here, you can find out answers to “what is a quarter made of”, “what
Nuggets come in many shapes and sizes. They can be small, like a grain of sand; medium-sized, like a penny; or large, like an apple.
The Gold symbol, the AU element, has unique properties that make it desirable. Learn how the Gold periodic table placement gives clues to these properties,
Many of us may remember our science class when we learned about Metals. There are many differences between Precious Metals and base Metals, which are
As coin collectors or investors, we do not think about how the coin came to pass. In knowing where it came from or what the
Gold, atomic number 79, or AU is a naturally occurring element, existing in finite amounts around our Earth. Where is Gold Mined? Today, North America
Fuel cell self-driving cars generate electricity from a chemical reaction between hydrogen and oxygen, using Platinum or Palladium as a catalyst.
The Platinum bullion value is high because of its scarcity and its use in industrial applications. Platinum is mined in very few places around the
Learn how to convert all measurements including how many grams in an ounce of Gold. How many grams a 100 oz Silver bar is or
Asteroid mining is the idea that we could extract natural resources, such as Platinum and water, from nearby asteroids and use them here on Earth.

More Guides for You

What is Bullion?

Gold, Silver, Platinum, and Palladium all come in various forms and sizes to create a variety of options for investors and collectors.  

What Is an Eagle

Since the U.S. Mint’s American Eagle program began in 1986, Gold and Silver Eagles have remained a popular choice among both investors and collectors

Explore More On APMEX

Silver

Platinum

Rare Coins