Orthosilica, by Mineralogia

Orthosilica

by Mineralogia

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Jay Jordan A wonderful listen that takes one below the surface of the earth and plunges you into the living ground amidst the vibrations of forming rock. A geological experience.

echoforever666 Absolute incredible. My skin grows crystalline protrusions as I am lowered beneath the earth's crust. Blissful.

hattiehats Harsh, deep walls of sound, like being one with the rock itself. Embrace the sensation. Favorite track: Spessartine (separation).

An Goblin sharp, abrasive, and deeply layered. the sound of orogenesis.

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1.	Forsterite (nucleation) 10:40	buy track
2.	Kyanite (recrystallization) 06:35	buy track
3.	Spessartine (separation) 10:37	buy track

about

Orthosilicate minerals are a diverse group of crystalline structures with no oxygen shared between adjacent silica tetrahedra. These rather dense silicates are major constituents of the mantle and lower crust.

1. Forsterite
Magnesian olivine, comprising the greatest portion of the upper mantle, but rapidly weathered at the surface. Rarely pure. Forsterite is among the first minerals to precipitate from a cooling magmatic melt, making it common in mafic and ultramafic rocks.

2. Kyanite
An aluminosilicate mineral formed deep in the crust during intense regional metamorphism of pelitic protoliths like clays and shales. Found in aluminum-rich schist, gneiss, and hornfels. Porphyroblasts commonly crystallize as striking blue blades.

3. Spessartine
A form of garnet, an important group of minerals found in metamorphic and igneous rocks. The garnet structure is highly flexible and can accommodate almost any element within its lattice. Manganese-rich spessartine is a pyralspite garnet found in granitic pegmatites and low-grade phyllite.

credits

released September 26, 2022

Recorded live February 2021.

Instrumentation: Ensoniq ESQ-1

Illustrations from The World’s Minerals, by Leonard J. Spencer (1911).

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Mineralogia

natural inorganic crystalline solids

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