Jaspilite is also formed as exhalative chemical sediments in certain lead-zinc ore deposits, and as a hydrothermal alteration facies around submarine volcanism. Jaspilite is a strong protection stone. Brings balance to your life.

How were banded iron formations formed?

Photosynthetic organisms were making oxygen, but it reacted with the iron dissolved in seawater to form iron oxide minerals on the ocean floor, creating banded iron formations. ... This rock, with its layers of red jasper and iron magnetite, was formed billions of years ago as part of that process.

Is Jaspilite metamorphic?

A siliceous or metamorphosed banded ironstone, including iron-rich quartzites, interbedded jasper and iron oxides. They are usually banded mixtures of quartz and magnetite and/or hematite. ... Also a trade name for red, hematitized varieties of jasper.