Trolleite 8mm Round - 15-16 Inch Tan Nangka is the name commonly

Nangka is the name commonly used in the Philippines for the Jackfruit Tree

in striking patterns

It has been mistaken for ruby and sapphire at times

Red Lightning Agate is predominantly red with swirls and mottling of green

Indigo gabbro is a color variant of the igneous mineral

Trolleite 8mm Round - 15-16 Inch Tan Nangka is the name commonlyTrolleite is an extremely rare aluminum phosphate mineral that crystallizes in the form of masses and small prismatic crystals. It is made up of quartz, lazulite, scorzalite, and sometimes lepidolite. It's often found in large masses and can be colorless, light to pale green, bluish green, or bright blue. Trolleite is known for its greasy appearance and subdued shine, even when polished.