🥚🐚🦴

#calcium carbonate #eggshell #seashell #coral #biomineralization #calcium source #natural CaCO3 #oyster shell

💎🧬

#gemma bio #gem biology #crystal life #biomineralization #jewel genetics

🐚+✨➡️🪱📈

#shell growth #biological growth #accumulation #biomineralization #gradual addition

💠🔬✨

#frustule #silica shell #geometric pattern #microscopic beauty #biomineralization #diatom morphology