Specimen T-03 — Travertine · unfilled
Shows its texture under light — touch it
41.9629° N · 12.7985° E
Travertine forms where hot springs meet air. The quarry we buy from has been cut since the Romans built the Colosseum out of it.
×1
Magnification
Bedding planes
Layer on layer of mineral deposit — each band a season, each gap a pause in the spring.
Temperature to the touch
Hardness
Weight in the hand
Faintly chalky, faintly warm. Every void catches the edge of a fingertip.
Acoustic signature — tap the specimen
Dull, short knock220 Hz · decay 0.25s
Turn on SOUND in the corner to hear it.