opaque mineral
opaque mineral (ore mineral) In transmitted-light microscopy, a mineral which appears black in thin section in plane-polarized light. The term is often used synonymously with ‘ore mineral’ although neither term is strictly correct; for example, pyrite is opaque but rarely an ore, and sphalerite is often an ore but rarely opaque.
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Lighting , Light is essential for human life. Modern societies have created homes, schools, and workplaces that rely on electric light sources. Some of the elec… Skylight , skylight •halite • candlelight • fanlight •lamplight • gaslight • flashlight •starlight • headlight • penlight •daylight • tail light •Peelite, pelit… sweetbread , sweetbread •flatbread • bedspread • teabread •sweetbread • retread • crispbread •wingspread • widespread • cornbread •shortbread • sowbread • proofre… Polarization Of Light , plane-polarized light (PPL) As light travels, it normally vibrates in all directions at right angles to the line of transmission. If a strongly absor… Searchlight , searchlight •halite • candlelight • fanlight •lamplight • gaslight • flashlight •starlight • headlight • penlight •daylight • tail light •Peelite, pe… Optics , Optics
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opaque mineral