#MinCup24#Titanite#Calcite Time Team Titanite is as an indicator mineral for everything from formation temperature, pressure and chronology. Calcite’s U-Pb dating can help constrain the timing of fault slip, and the minimum age of ancient ocean crusts and volcanic rocks ⚒️🧪 geology

Vote in Round 2 Match 7 — Mineral Cup

Titanite vs Calcite

This is an impossible choice! As a carbonate geologist I of course have to chose #calcite#titanite#MinCup24 ⚒️

It's sphene vs scalenohedron.

dammit you mean to tell me we've got to choose between TWO clock rocks