blue amber

There is also red and green in smaller quantities and the rare blue amber (fluorescent).

Blue amber is more unusual, but pure amber is by far the most rare.

Blue amber is amber exhibiting a rare coloration.

The blue amber reportedly is found mostly in Palo Quemado mine south from La Cumbre.

Blue amber emits a very agreeable smell (aromatic molecules), which is different from regular amber when it is being cut and polished.

Although all Dominican amber is fluorescent, the rarest Dominican amber is blue amber.

Dominican amber, especially Dominican blue amber, is mined through bell pitting, which is dangerous due to the risk of tunnel collapse.

Other uncommon colors include red amber (sometimes known as "cherry amber"), green amber, and even blue amber, which is rare and highly sought after.

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Although there are several theories about the origin of Dominican blue amber, there is a great probability that it owes its existence to elements such as anthracene as a result of 'incomplete combustion' due to forest fires among the extinct species Hymenaea protera trees about 25 to 40 million years ago.