Take this Aquamarine quiz to find out which girl you're most like
i thought this was blue calcite but i just did a scratch test and it scratches glass. any guesses? i think it's either aquamarine or blue topaz : r/whatsthisrock
B140 Aquamarine: Testing Ohuhu Markers for Lightfastness and Quality (Ink testing and swatching) — Marker Novice
Aquamarine Quality Factors
A real clear blue aquamarine isnt scratched with a knife as its mohs hardness of the stone is a 7 on the scale thus quite hard! Please enjoy 🙂. Much... | By Cristal GemsFacebook