Natural sphalerite crystal cluster is a mineral specimen composed of sphalerite crystals grown together. Sphalerite is a zinc sulfide mineral, which is often found in hydrothermal veins and sedimentary deposits.Natural sphalerite crystal cluster is a mineral specimen composed of sphalerite crystals grown together. Sphalerite is a zinc sulfide mineral, which is often found in hydrothermal veins and sedimentary deposits.Natural sphalerite crystal cluster is a mineral specimen composed of sphalerite crystals grown together. Sphalerite is a zinc sulfide mineral, which is often found in hydrothermal veins and sedimentary deposits.Natural sphalerite crystal cluster is a mineral specimen composed of sphalerite crystals grown together. Sphalerite is a zinc sulfide mineral, which is often found in hydrothermal veins and sedimentary deposits.Natural sphalerite crystal cluster is a mineral specimen composed of sphalerite crystals grown together. Sphalerite is a zinc sulfide mineral, which is ofte…