Corundum (ruby) - Mineral specimens search results

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Mineral specimens search results for [ Corundum (ruby) ]

Aggregate of crystals with well-defined faces and edges, and their pinacoidal termination is well developed. They are between translucent and transparent, and have a very vivid, intense and uniform color. Jagdalek is a mineralized zone hosted in hydrothermal veins and shear zones within metamorphic rocks, related to beryllium-bearing fluids linked to regional pegmatitic and intrusive activity. In addition to emeralds, the deposit is also known for Corundum (variety ruby) associated with metamorphic and metasomatic processes in aluminum-rich levels. Structurally controlled mineralization with well-formed crystals in fractures and cavities.
Jagdalek Mine, Jagdalek area, Surobi District, Kabul Province Afghanistan
Specimen size: 1.5 × 0.8 × 1.1 cm = 0.59” × 0.31” × 0.43”

TT36I8: Corundum (variety ruby)

Crystals sit on rock matrix and have a near tabular habit. Their terminations have very well marked triangular forms. Color is quite good and they have some degree of transparency, visible under a strong light.
Mysore District, Karnataka India (±1973)
Specimen size: 4.5 × 3 × 2.3 cm = 1.77” × 1.18” × 0.91”

Main crystal size: 1.8 × 1.4 cm = 0.71” × 0.55”

AB29M4: Corundum (variety ruby) with Calcite

Excellent miniature with a really good doubly terminated Ruby crystal, with an excellent development of faces and edges. Brilliance and a certain transparency are well outperformed by the intense, deep and uniform color. On matrix.
Jagdalek Mine, Jagdalek area, Surobi District, Kabul Province Afghanistan (2004)
Specimen size: 2.4 × 1.5 × 1 cm = 0.94” × 0.59” × 0.39”

MH29L7: Corundum (variety ruby) with Pyrope (variety rhodolite) and Muscovite

Well defined Corundum crystal, translucent and with a color that varies between red (under sunlight) and mauve with bluish tones (under artificial light). Crystal is partially included in a rich Muscovite and Pyrope (variety rhodolite) matrix.
Zazafotsy Quarry, Zazafotsy Commune, Fianarantsoa, Ihosy District, Horombe Region Madagascar (10/2007)
Specimen size: 5.6 × 4.2 × 3.4 cm = 2.20” × 1.65” × 1.34”

Main crystal size: 1.8 × 1 cm = 0.71” × 0.39”

MN69K8: Corundum (variety ruby) with Pyrope (variety rhodolite) and Muscovite

A novelty from Munich 2007. Corundum crystal of sharp faces and edges, excellent terminations and good color. It shows different color shades depending of the type of light they receive, and has a marked zonation between red and blue-mauve. On the front crystal face you can see some curious concentric growth figures around a little triangular rhombohedron face. The matrix, very rich in Muscovite, also has abundant red growths of Pyrope (variety rhodolite).
Zazafotsy Quarry, Zazafotsy Commune, Fianarantsoa, Ihosy District, Horombe Region Madagascar (10/2007)
Specimen size: 7.7 × 3.9 × 4.5 cm = 3.03” × 1.54” × 1.77”

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