Malachite, a copper carbonate hydroxide mineral, is renowned for its vibrant green color and striking banded patterns. However, its beauty comes with a need for careful handling as it is a relatively soft and delicate stone, ranking 3.5 to 4 on the Mohs hardness scale. Proper care is crucial to prevent damage and maintain its luster.

Cleaning malachite
Gentle Cleaning is Essential:
• Malachite is sensitive to heat, acids, and harsh chemicals.
Mild Soap and Water:
• The recommended method is to use warm water and a mild soap or dish detergent with a soft cloth or a soft-bristled brush, like a baby toothbrush. Gently wipe or brush the surface to remove dirt and grime.
Rinse and Dry Thoroughly:
• Rinse the jewelry thoroughly with clean water, ensuring no soap residue remains. Pat the stone dry immediately with a soft, lint-free cloth to prevent water spots and minimize moisture exposure.
Avoid Harsh Chemicals:
• Do not use abrasive or harsh cleaners, such as bleach, ammonia, or strong acids, as they can damage the malachite's surface and luster. Even vinegar can etch a polished malachite surface, according to a Quora discussion.
Never Use Ultrasonic or Steam Cleaners:
• Ultrasonic vibrations and high heat can cause fractures and damage the delicate structure of malachite.
Blitz Liq Delicate Gem and Pearl Cleaner:
• A product specifically formulated for delicate gems and pearls, including malachite, is available at various price points from different retailers. However, it is not recommended to use products like Pinalen Lavender Multipurpose Cleaner or N1 B Medium Sterling Silver Cleaning Solution for malachite, despite their names, as they may contain chemicals unsuitable for the gemstone.

Wearing malachite
Handle Gently:
• Malachite can be scratched or chipped by harder materials or impacts. Be mindful when wearing it.
Remove During Activities:
• Take off malachite jewelry before engaging in strenuous activities, sports, gardening, cleaning, or showering, as sweat, chemicals, and physical stress can cause damage.
Avoid Chemicals:
• Protect your malachite from perfumes, lotions, hairspray, and household cleaners, as these can dull its shine or cause discoloration.
Avoid Extreme Temperatures and Prolonged Sunlight:
• Malachite is sensitive to heat and rapid temperature changes. Extended exposure to direct sunlight can cause its color to fade.
Consider Toxicity:
• Malachite contains copper and can be toxic if ingested, according to Kellery. While wearing polished malachite is generally safe, avoid touching the stone excessively and be careful when cleaning to prevent contact with potentially harmful dust particles.

Storing malachite
Separate Storage:
• Store malachite jewelry separately from other pieces, especially harder gemstones, in a soft pouch or a jewelry box with a fabric lining to prevent scratches and abrasions.
Dry, Cool Place:
• Keep your malachite in a cool, dry environment away from direct sunlight, heat, or humidity.