Blue Sapphire bears a sky-like color that has become a sign of truth, fidelity, and rank. Royal courts, religious authorities, and lapidaries associated it with justice, favor, and contemplation. In modern magic, it supports peace, loyal love, vision, and protection.
Its history nevertheless requires a clarification: the sappheiros of Greek and Roman authors most likely referred to Lapis Lazuli in several passages. Today’s Sapphire inherits part of this symbolic sky, but the two stones must not be confused.
To place this stone among related minerals, compare it with Corundum, Ruby, and Spinel.
The Blue of Corundum
Sapphire belongs to the corundum family, like Ruby. The term refers to all its colors except red; used alone, it suggests blue. Iron and titanium contribute to this color. Yellow, pink, green, violet, and colorless Sapphires also exist.
Its hardness reaches 9 on the Mohs scale. Some cabochons show a star produced by oriented inclusions; others change hue depending on the light. The GIA presents the colors, phenomena, and identification criteria of Sapphire.
An ancient name with shifting identities
The Greek sappheiros and Latin sapphirus do not always correspond to blue corundum. In Pliny the Elder’s Book 37 of the Natural History, the blue stone speckled with gold corresponds more closely to Lapis Lazuli and its pyrite grains. The modern identification of Sapphire was established much later.
The ancient symbols attached to the name are therefore not mineralogical evidence. They form a genealogy of images: sky, authority, divine gaze, and truth. Western magic transferred them to the blue Sapphire as the gem came to be more clearly distinguished.
Truth, Favor and Fidelity
Medieval and Renaissance lapidaries attribute powers of peace, chastity, favor with the powerful, and reconciliation with enemies to the Sapphire. Ecclesiastical rings strengthened its associations with faith, integrity, and the office exercised under oath.
The Sapphire’s modern fidelity extends this language. It does not mean only romantic attachment: it may concern a promise, a role, or a principle one chooses to serve.
The sky as witness. Wearing blue on the finger or near the voice means placing one’s word beneath a space larger than oneself. The Sapphire asks less that one speak more than that one not betray what has been said.
Aquarius, Moon and Water
In The Magic and Science of Jewels and Stones, published in 1922, Isidore Kozminsky places Sapphire under Aquarius and links it to Apollo. He associates it with truth, constancy, friendship, secrecy, favor from princes, the appeasement of enemies, protection, and oracular answers.
Scott Cunningham attributes the Moon and Water to it in 1988, along with vision, love, meditation, peace, defense, and money. Monday is suited to listening and vision; Saturday, by affinity with the seriousness of an oath, supports lasting commitments.
Peace, loyal love, justice, and vision
For peace, place the Sapphire between two papers, each bearing a position. Write in the center the point that must not be sacrificed and the one that may change. The stone marks a place for negotiation, not the erasure of conflict.
For loyal love, consecrate it over a promise expressed positively and freely consented to. For justice or authority, keep it near a file to recall the facts, moderation, and keeping one’s word.
For vision, contemplate the blue for a few minutes before writing down a dream, intuition, or question. Then reread it with discernment: Sapphire supports inner clarity, not automatic certainty.
The seal of the blue word
On a Monday evening, place the Sapphire on a blue cloth between a bowl of water and a white candle. Write a promise you can genuinely keep. Read it once, then remain silent for the time it takes to take seven breaths.
Touch the edge of the paper with a drop of water and say: “My word remains clear; my actions give it form.” Keep the paper with the stone until the chosen deadline. If the commitment changes, rephrase it openly instead of hiding the breach.
Correspondences and references
| Reference | Correspondence |
|---|---|
| Nature | Corundum of any color except red; here, blue Sapphire |
| Hardness | 9 on the Mohs scale |
| Sign | Aquarius according to Isidore Kozminsky |
| Celestial figures | Apollo according to Kozminsky; Moon according to Scott Cunningham |
| Element | Water according to Cunningham |
| Day | Monday for the Moon |
| Areas | Truth, fidelity, peace, justice, vision, protection, and favor |
| Ritual act | Writing a sustainable pledge and placing it beneath the blue |










































