The story
From the fiveling twins that are common in this material.
Etymology from Wiktionary, CC BY-SA 4.0.
pentagonite
Today it means: A silicate of calcium and vanadium found in basalts and tuffs Full definition →
Today it means: A silicate of calcium and vanadium found in basalts and tuffs Full definition →
From the fiveling twins that are common in this material.
Etymology from Wiktionary, CC BY-SA 4.0.