: For raw metal fragments, United Nuclear provides samples in glass vials under mineral oil, while PEGUYS specializes in high-purity dendritic crystals sealed in argon. 3. Industrial & Chemical Use

: Specialized sites like Skylighter carry strontium nitrate specifically for red coloring agents in fireworks.

Strontium is most commonly purchased as a mineral supplement for bone health, typically in the form of or Strontium Chloride .

Where you buy strontium depends entirely on whether you need it as a health supplement, a chemical for industrial/pyrotechnic use, or a collectible element sample.