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This Specimen has been sold.
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8" Polished, Indigo Gabbro Bowl - Madagascar
This is a beautifully polished bowl that's formed from a section of indigo gabbro. It's polished to a glossy finish and proves that practicality and style can go hand in hand.
About Indigo Gabbro
Indigo gabbro—often marketed under the trade name Merlinite—is an eye-catching, coarse-grained igneous rock sourced from Madagascar. Known for its dramatic mix of deep indigo-purple, charcoal gray, and inky black hues, this material forms when mineral-rich magma slowly cools and crystallizes beneath the Earth’s surface. When polished, its contrasting patches and swirling crystalline patterns take on a glossy, almost marbled appearance, making it a popular choice for decorative carvings, display pieces, and even tabletops.
Geologically, “gabbro” refers to a broad family of dark, intrusive igneous rocks that share a similar chemical composition to basalt. Indigo gabbro typically contains an interlocking blend of minerals that may include plagioclase feldspar, pyroxene, amphibole, magnetite, and small amounts of chlorite, serpentine, muscovite, or hercynite. These crystals are suspended within a dark, fine-grained matrix, creating the bold, mottled texture that defines this Madagascar material. The combination of vibrant coloration and robust mineral composition makes indigo gabbro both visually striking and highly durable—ideal for polished décor and lapidary work.
Indigo gabbro—often marketed under the trade name Merlinite—is an eye-catching, coarse-grained igneous rock sourced from Madagascar. Known for its dramatic mix of deep indigo-purple, charcoal gray, and inky black hues, this material forms when mineral-rich magma slowly cools and crystallizes beneath the Earth’s surface. When polished, its contrasting patches and swirling crystalline patterns take on a glossy, almost marbled appearance, making it a popular choice for decorative carvings, display pieces, and even tabletops.
Geologically, “gabbro” refers to a broad family of dark, intrusive igneous rocks that share a similar chemical composition to basalt. Indigo gabbro typically contains an interlocking blend of minerals that may include plagioclase feldspar, pyroxene, amphibole, magnetite, and small amounts of chlorite, serpentine, muscovite, or hercynite. These crystals are suspended within a dark, fine-grained matrix, creating the bold, mottled texture that defines this Madagascar material. The combination of vibrant coloration and robust mineral composition makes indigo gabbro both visually striking and highly durable—ideal for polished décor and lapidary work.
