Definitions

from The Century Dictionary and Cyclopedia

  • n. Same as specular iron, or hematite.

Etymologies

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Examples

  • Iron Road considers it unlikely that the specularite is the product of alteration of magnetite.

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  • One of the oldest mines in the world is in this region at Ngwenya (Swaziland) where haemetite and specularite were mined for paint.

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  • Close inspection of BIF outcrops within the exploration area has revealed that occasionally enclosed in the magnetite-gneiss are lenses of massive, coarse grained hematite or specularite.

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  • The BIF-hosted K-Deposit has been the main ore producer for Cliffs Natural Resources Koolyanobbing operations for many years and is unique among the Yilgarn iron ore deposits for the common occurrence of specularite.

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  • Although volumetrically insignificant in outcrop, the presence of specularite lenses is considered evidence for a process that may produce economic concentrations of high-grade direct-shipping hematite ore (DSO) in the right structural setting.

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  • Where observed in-situ the specularite appears to broadly follow the fold axes of northeast trending folds interpreted as D2 structures, which are parallel to a distinct set of northeast trending faults apparent in the high-resolution magnetic data.

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  • The highest gold grades are generally in veins with free gold and little or no sulphide or specularite.

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  • - Ability to export specularite in the PSD-file and editing of all sections specularite in an external editor

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  • Each of these four encountered the H-1 zone which is characterized by massive hematite, specularite, occasional chalcopyrite and minor quartz veining.

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  • Prospecting within the plateau is largely hampered by grass and talus cover, however, traverses along recessive northwest trending benches above the plateau and along cirque walls identified numerous locales containing sericite altered quartz tourmaline vein material with accessory specularite, hematite and magnetite veinlets plus patchy limonite.

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