arandomvirus t1_jcgnsok wrote on March 16, 2023 at 6:17 PM Reply to Need help with creating a LED base by TheNewRow The mineral is gypsum, the crystal form is “selenite”. Made of calcium sulfate. Quartz is much harder, the mineral silica, the crystal form is quartz. Made of silicon dioxide Permalink 4
arandomvirus t1_jcgnsok wrote
Reply to Need help with creating a LED base by TheNewRow
The mineral is gypsum, the crystal form is “selenite”. Made of calcium sulfate.
Quartz is much harder, the mineral silica, the crystal form is quartz. Made of silicon dioxide