urion
Could not find Vrii in Logeion dictionaries.
Vrii Noun: neuter genitive singular of urion
ūrĭon (ūrĭum), ii, n. [perh. from οὖρος, Ion. for ὄρος, a mountain],
- a kind of earth in mines, Plin. 33, 4, 21, § 75.