4-3/4" Malachite Brain 2072ba6bc50a4d21c617f29ea456a911 they used their long tusks

they used their long tusks for both scraping off ice and snow that covered vegetation and for defending themselves

it was a stone that was treasured by ancient Egyptians

for other sources of fibrous vegetation

it is a silicon dioxide crystal

Some had lenses extending off of antenna like protrusions

4-3/4" Malachite Brain 2072ba6bc50a4d21c617f29ea456a911 they used their long tusksMalachite is a secondary mineral of copper ore that is light green to deep dark blue green in color. The name Malachite is derived from ancient Greece, meaning "Mallow green stone", in reference to the leafy foliage found on the Mallow plant. Typically, Malachite is found as crystalline aggregates, or crusts, and the mineral is commonly found in banded form, similarly to agate. Sometimes it is found in botryoidal (bulbous) cluster formations. When a