Magnesium Collection (page 2)

Lazulite comprises of (magnesium iron aluminum phosphate hydroxide) not to be confused with lazurite - as it looks and sounds the same is a rare ornamental and gemstone

Birthstone Series: Peridot
Peridot, a gemstone from the Natural History Museum, London. Peridot is the birthstone for the month of August (along with Sardonyx). Photographed by Frank Greenaway

Asbestos
Geometric asbestos crystals. Asbestos is a dangerous, fibrous amphibole mineral

Enstatite comprises of (magnesium silicate) and derives from the pyroxene group. Specimen from the collections of the Natural History Museum, London

Peridot group
Fine cut peridot of 146 carats (centre) with crystals and rough mass (right) from Zebirget, and Hawaiian basalt containing olivine crystals (left)

Sinhalite
A round mixed cut of 15.5 carats. Silhalite comprises of (magnesium aluminum borate) and only known to derive from the gem gravels of Sri Lanka

Kornerupine (magnesium aluminum iron boro-silicate hydroxide) is a rare boro-silicate mineral which occurs in a range of greens and browns - this emerald colour is exceptional

Polished slab of rhodonite
A pink specimen of rhodonite (manganese iron magnesium calcium silicate). Rhodon is greek for rose

Using Magnesium Flash
Taking a studio photograph with magnesium flash Date: circa 1900

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