www.gggems.com

Anchor text: Madagascar Sphene Properties, Occurrences and Geological data

Wikipedia: Titanite

Anchor text: Darbellay, Alain. (2009). The story of the first Madagascar sapphire – Andranondambo.

Wikipedia: Fort-Dauphin (Madagascar)

Anchor text: Ggems.com

Wikipedia: Alakamisy, Fianarantsoa

Anchor text: GGGems.com (2011). The story of the first Madagascar Sapphire.

Wikipedia: Anosy

Anchor text: Andilamena Sapphire and Ruby Discovery

Wikipedia: Andilamena

Anchor text: Didy Ruby and Sapphire rush 2012.

Wikipedia: Didy