natural rubies

Natural Ruby: History, Lore & Modern-Day Value

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rutilated quartz cabochon

Rutilated Quartz: How to Facet for Stunning Gemstones

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display of faceted quartz gemstones

Faceting Quartz Gemstones with Mark Oros

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lapidary-precautions

Lapidary Safety Tips for Cutting & Polishing Rocks

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rock-tumbling

Rock Tumbling: Best Stones to Use

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Black magnetite sand at Ocean Beach, California, makes it one of many fun mineral beaches to visit

4 Must-See Mineral Beaches for Rockhounds

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Magnetite crystal sample

Magnetite and Lodestone: Properties & Uses

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peridot crystal isolated on black

Peridot Crystals: Born of Fire and Light

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cavansite on stilbite

Minerals for Collectors: 12 Must-Have Specimens

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quartz specimen on black background quartz is a seven on the mohs scale of hardness

What is the Mohs Scale of Hardness?

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