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Description
Available for purchase in my Etsy shop: [link]

Sapphire (Greek: σάπφειρος; sappheiros) is a gemstone variety of the mineral corundum, an aluminium oxide (α-Al2O3), when it is a color other than red, in which case the gem would instead be a ruby. Trace amounts of other elements such as iron, titanium, or chromium can give corundum blue, yellow, pink, purple, orange, or greenish color. Pink-orange sapphires are also called padparadscha.

Because it is a gemstone, sapphire is commonly worn as jewelry. Sapphire can be found naturally, or manufactured in large crystal boules. Because of its remarkable hardness, sapphire is used in many applications, including infrared optical components, watch crystals, high-durability windows, and wafers for the deposition of thin films of various semiconductors.

Some etymologists propose an old Sanskrit origin to the Semitic word 'sappir' : a dark colored precious stone called 'Sanipriya' (शनिप्रिय), from 'sani' (शनि) meaning saturn and 'priya' (प्रिय), precious, i.e. "precious to Saturn".
According to Rebbenu Bachya, and many English Bible translations, the word Sapir in the verse Exodus 28:18 means sapphire and was the stone on the Ephod representing the tribe of Issachar. Although it has been stated that the English word sapphire derives from the Hebrew sapir (ספיר) (via Greek sapphiros; σάπφειρος), this is disputed. Sapphires were actually not known before the Roman Empire (and were initially considered to be forms of jacinth, rather than deserving of a word to themselves), and prior to that time sapphiros referred to blue gems in general.

Description
Available for purchase in my Etsy shop: [link]

Sapphire (Greek: σάπφειρος; sappheiros) is a gemstone variety of the mineral corundum, an aluminium oxide (α-Al2O3), when it is a color other than red, in which case the gem would instead be a ruby. Trace amounts of other elements such as iron, titanium, or chromium can give corundum blue, yellow, pink, purple, orange, or greenish color. Pink-orange sapphires are also called padparadscha.

Because it is a gemstone, sapphire is commonly worn as jewelry. Sapphire can be found naturally, or manufactured in large crystal boules. Because of its remarkable hardness, sapphire is used in many applications, including infrared optical components, watch crystals, high-durability windows, and wafers for the deposition of thin films of various semiconductors.

Some etymologists propose an old Sanskrit origin to the Semitic word 'sappir' : a dark colored precious stone called 'Sanipriya' (शनिप्रिय), from 'sani' (शनि) meaning saturn and 'priya' (प्रिय), precious, i.e. "precious to Saturn".
According to Rebbenu Bachya, and many English Bible translations, the word Sapir in the verse Exodus 28:18 means sapphire and was the stone on the Ephod representing the tribe of Issachar. Although it has been stated that the English word sapphire derives from the Hebrew sapir (ספיר) (via Greek sapphiros; σάπφειρος), this is disputed. Sapphires were actually not known before the Roman Empire (and were initially considered to be forms of jacinth, rather than deserving of a word to themselves), and prior to that time sapphiros referred to blue gems in general.