#Alexandrite

El Pregoner del Metallpregonermetall
2026-02-14
El Pregoner del Metallpregonermetall
2026-01-13
El Pregoner del Metallpregonermetall
2025-11-12
Keiran Rowellkeiran_rowell
2025-10-09

I saw Zultanite, a rare in that undergoes the change effect:

Our cones are not created equal; the short 'blue' wavelength sensor is well separated from the similar 'green' & 'red' curves 👁️

Alexandrite cuts off blue (like a yellow object) but embedded metals absorb the middle spectrum, meaning in black-body curve candlelight the 'green'/'red' ratio gets miscorrected by our colour constancy mechanisms🕯️

💎 Paper here: share.google/nHM6LhFgTe7CLHIcz

Photos from Provenance Gems of the color changing gemstone Alexandrite and Zultanite.

Alexandrite is blue under sunlight while purplish in candlelight. Zultanine is a green in sunlight, a bronzy color in candlelight
El Pregoner del Metallpregonermetall
2025-09-20

How to block an account or instance

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El Pregoner del Metallpregonermetall
2025-07-15
El Pregoner del Metallpregonermetall
2025-05-20
IL PhotonicsILPhotonics
2025-03-31

Alexandrite is a unique gemstone known for its remarkable color-changing properties, which can shift from green in daylight to red under incandescent light. Regarding electronic components, is notably utilized in solid-state systems for various applications, including medical procedures, industrial cutting, and even in some scientific research. The tunable properties of alexandrite lasers enable adjusting the wavelength for skin treatments. Learn more: ilphotonics.com/usage-of-alexa

IL PhotonicsILPhotonics
2025-03-23

Alexandrite utilize the unique properties of crystals (a type of chrysoberyl) that display remarkable versatility in laser technology. Commonly used in cosmetic and medical applications, Alexandrite lasers are known for their ability to emit light at different wavelengths, particularly in the infrared spectrum. This adaptability is crucial in various procedures, including hair removal and skin rejuvenation. Learn more: ilphotonics.com/the-connection

漫画林(まんがりんmangarin:札幌マンガ古本屋)mangarin@fedibird.com
2025-02-02

入荷案内です。

伊川愛梨さんの
#Alexandrite」が
入りました。

オトナのコーナーにあります。

ーーーーーーーーーーーーーー
漫画林(札幌マンガ古本屋)は
高価買取をしています。
お気軽にお問合せ下さい
(^ω^)
mangarinsapporo@gmail.com
TEL011-562-6103

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Lemmy Brasilbrasil@ayom.media
2024-11-08
screenshot do FE alenxadrite do lemmy
2024-07-06
What color is this stone? If you said purple, you're correct. If you said pink, you're also correct! And if you said blue... congrats, you're correct! This #corundum (#sapphire) uses the same minerals as #alexandrite to shift colors based on the light source.

See my other post for a video of the stone under various light sources.

Lab corundum
6.470 ct, 10.60mm
Design is FutureTech by Arya Akhavan
#lapidary #gemcutting #faceting
Claudia ZahnAdrenochrome
2024-04-03
Eric Bakerericbakerny
2024-01-18

4 Must-have Green Stones That’ll Never Go Out Of Style

Maybe because it reminds us of the restful nature of the lush green landscapes. Do green stones excite your curiosities? Do you find pleasure in glancing at the soft intensity of green gemstones? Well, you should invest in these 4 must-have green stones.

Read the full article: ericbaker017.wixsite.com/jewel

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