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Mineral rauchtopaz close-up against a dark background. Smoky quartz. Smoky crystal. A nugget for jewelry.
Mineral rauchtopaz close-up against a blue background. Smoky quartz. Smoky crystal. A nugget for jewelry.
purple/violet amethyst raw crystals under the microscope - optical microscope x50 magnification
Agate (chalcedony), symbolizes stability and balance. Chemical formula: SiO2. Hardness 6.5-7 on Mohs scale. Composed of microcrystalline quartz. Valued for protection, strength, and grounding. Enhances emotional healing, clarity, and security. Smooth rota