Amber can be fashioned into a variety of shapes. Many people think of amber as transparent, but it can also be opaque. - Courtesy Ginger Moro
Amber beads come in a wide variety of shapes and can be quite large due to their light weight. - Irena Misevic/Shutterstock
This large, elongated amber bead contains a fairly intact insect inclusion. The gem weighs 93.87 carats.
Some rare amber specimens turn blue in fluorescent light. This striking example is from the Dominican Republic. - Courtesy Ambar Azul
Green amber’s color can be produced by treatment with heat and pressure. - Courtesy Treasure Green Amber, Ltd.
The word amber means brownish yellow, but the gem can be yellow, golden, white, orange to reddish brown, or even bluish or greenish.
Amber comes in a variety of colors. The most familiar ones are yellow to orange, while a reddish color is rare. This group includes cloudy amber, reddish amber from Myanmar, amber with stress fractures, and pale, almost opaque, amber. - Alan Jobbins
The fossilized extinct lizard trapped in this piece of amber from the Dominican Republic is over a million years old. - Dr. Edward J. Gubelin
Gierlowska's lizard from the collection of the Gdansk Amber Museum, Gdansk, Poland.
Like amber, copal is fossilized tree resin, but it is not as old. Amber must be over a million years old, while copal is younger—often around a hundred thousand years old.
Gas bubbles are very common amber inclusions. If there are a lot of them, they can give the material a cloudy appearance.