#jewelleryfacts365 113/365 Roman jewellery fact

The rings worn by the men in Ancient Roman were not just expensive ornaments, they also served a practical purpose and were used to seal documents as a sign of authenticity. Official documents were not signed, but sealed; and the seal was good in law.

ROMAN PRAETORIAN LIONESS INTAGLIO SIGNIFIER'S RING
Material: Bronze and Carnelian
Era: Intaglio, 1st to 2nd Century AD - Ring, 3rd Century AD

#naturesgems

Fire Agate with amazing Sagenite Spray
Photo by Thomas Shearer

#jewelleryfacts365 112/365 Diamond fact

Because diamonds can withstand extremely high temperatures and corrosive conditions, and because they are transparent to most forms of light and electromagnetic radiation, they are ideal for use as windows in industry and in space probes, including the 1978 Pioneer space probe to the surface of Venus. Eight of the windows were sapphire and one was a diamond. (source)

CLEAR VIEW of Venusian atmosphere was possible on Pioneer Venus probe because of this diamond window the size of two pennies stacked together.
Mal Meredith, NASA Systems Division associate manager, inspects the window during probe assembly in El Segundo last February.

#jewelleryfacts365 111/365 Diamond fact

The youngest diamond is 900 million years old, however scientist can grow synthetic diamonds averaging 2.5 carats in 4 days.

An Industrial Diamond Manufacturing Factory In England Where Synthetic Diamonds Are Made.

Bead Day

Second Hand Furniture Shop in Rye
Photo by Gareth Williams

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Rhodochrosite with Quartz
From the Sweet Home Mine, Alma, Park County, Colorado.

#jewelleryfacts365 110/365 Diamond fact

Around 26,000 kilograms (57,000 lb) of diamonds are mined around the world every year.

Kimberlite (diamond bearing rock) forming

Jewellery photography

Organic silver and copper art pendant with maple leaf ornament and BC Jade.

Art Nouveau necklace with dragonflies

Jewellery masterpieces

Mikimoto

#jewelleryfacts365 109/365 Diamond fact

More than 250 tons of ore need to be blasted, crushed and processed to produce just one carat of rough diamond.

Kimberlite
(Premier Kimberlite Pipe; Premier Mine, near Cullinan, northeastern South Africa)