Featured this weekGemstone
Labradorite
(Na,Ca)1-2Si3-2O8
Labradorite is an important feldspar gemstone. It often displays a beautiful iridescent play of colors, which can move as the stone is rotated. Labradorite gemstones usually have a dark base color with metallic-looking color plays of blue, green, yellow, and red.
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Enstatite forms series with the rare mineral Ferrosillite (Fe2Si2O6).
Mineral
Enstatite
Gummite is not a definitive mineral species, but rather an unspecific mixture of secondary uranium minerals, especially Becquerelite, Boltwoodite, Clarkeite, Curite, Fourmarierite, Kasolite, Soddyite, and Uranophane.
Mineral
Gummite
Red Metastibnite Crusts
Mineral
Metastibnite
Meionite is the calcium-rich end member of the Scapolite series.
Mineral
Meionite
Manganite is a mineral named for its dominating manganese content.
Mineral
Manganite
Cerussite is an interesting mineral, forming in an array of fascinating crystal formations and bizarre twinning habits.
Mineral
Cerussite
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The Mineral and Gemstone Kingdom is a free informational and educational guide to rocks, minerals, gemstones, and jewelry. This site has been providing detailed information and photos of hundreds of minerals and gemstones since 1997 and is one of the leading education resources on minerals and gemstones. More →