Specimen #1714

Name: Corundum var. Ruby in Zoisite

Type: Mineral

Locality: Longido, Arusha, Tanzania

Favorite? N

Fluorescent? N

Size: 10 x 8 x 0.4 cm

Weight: 95

Acquired: 2009-11-10

Source: John Betts

Label: N

Comment: Section through a large hexagonal ruby crystal, the red gem variety of the mineral corundum, with one face polished to highlight the internal color and crystallization patterns. When rotated under a light distinct crystal layers reflect chatoyancy No damage.

Minerals: Corundum (Al₂O₃) Ruby - red Zoisite (Ca₂Al₃(SiO₄)₃(OH) = Ca₂AlAl₂(SiO₄)(Si₂O₇)O(OH))

There are 2 pictures on file

M01714-01.jpg:

Corundum var. Ruby in Zoisite, Longido, Arusha, Tanzania - 10 x 8 x 0.4 cm

M01714-02.jpg:

Corundum var. Ruby in Zoisite, Longido, Arusha, Tanzania