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Chalcedony Opals Medium Rondelles StrandChalcedony Opals Medium Rondelles Bead Size : 4mm x 7mm to 9mm x 11mm Approx. 18" long Make this Gem Strand Into A Necklace The term Chalcedony is derived from the name of the ancient Greek town Chalkedon in Asia Minor. In contemporary stone lore, is thought in lore to promote emotional balance and open the heart to kindness and charity. The gemstone Opal is the official October birthstone. Opal is related to quartz, although it is much softer due to
- Chalcedony Opals Medium Rondelles
- Bead Size : 4mm x 7mm to 9mm x 11mm
- Approx. 18" long
- Make this Gem Strand Into A Necklace
- The term Chalcedony is derived from the name of the ancient Greek town Chalkedon in Asia Minor. In contemporary stone lore, is thought in lore to promote emotional balance and open the heart to kindness and charity.
- The gemstone Opal is the official October birthstone. Opal is related to quartz, although it is much softer due to its high water content. As light enters the Opal, it bends around the edges of tiny particles of hydrated silica, "chips" of silicon and oxygen suspended in water within the stone. When it is diffracted, the light that is made up of all visible colors, each with its own wavelength, produces an entire rainbow of colors. They can internally display virtually any color, and Opals with the most “fire” are the most valuable. Diffraction can cause flashes of any color of the rainbow (opalescent). Australia produces 97% of the world’s Opals, although the reddish-orange “fire” Opals are mined in Mexico. The name Opal was probably derived from Sanskrit "upala", meaning "valuable stone". This was most likely the root for the Greek term "opallios", which translates as "color change". In the days of Roman antiquity there existed a so-called "opalus", or a "stone from several elements". Common folklore rumors Opals may increase intuition, enhance clairvoyance, and reveal the truth.
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4.2 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
A Must Read!! 🌟🌟🌟🌟🌟
Format: Hardcover
Highly recommend!! Every page had revelation after revelation for me. I can't wait for the corresponding workbook to get here! ⭐⭐⭐⭐⭐
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Reviewed in the United States on October 9, 2025
★★★★★ 5
This is a "Go-To" for thinking about Cloud Challenges.
Format: Paperback
Delivering and managing fully realized applications in the cloud is different. Different approaches to classic engineering problems than traditional On Premise development and different ways of thinking through the problems of "always available" solutions.
I've been in the software delivery business a long time, and with the cloud emerging, for good and ill: I understand the problems, but may be just a little set in my ways. I find this book helps me re-frame challenges in a way that aligns with the strengths of cloud computing. Solve the same problems faster, by thinking about them differently.
I'm finding "97 Things Every Cloud Engineer Should Know" great for re-centering my expectations about Cloud Native development and deployment of assets. I started reading it cover to cover over the Christmas Holiday but now i just pick it up and look for the group of essays about exactly the problem I'm wrestling with.
P.S. I'm heartened by the editors commitment to Black Lives Matter and Rule of Law. Mentioned only to balance the concerns from another review.
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Reviewed in the United States on January 24, 2021
★★★★★ 3
have some good contents but too general
Format: Paperback
The book covers some good points, but overall, it's too general.
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Reviewed in the United States on June 28, 2024
★★★★★ 3
Why Politics in a Tech Book????
Format: Kindle
Well... I'm surprised to see the book blatently calls out its dedication to Black Lives Matter, which is in all caps so I assume it's referring to the political organization. It goes on to speak of 2020 being the year of an "awakening of injustices of systematic racism"... I thought I was buying a technical book??? Had I known this political bs was included I wouldn't have purchased it! However, I bought and I'm still reading it. If the politics goes away and the TECHNICAL content is good I'll update my review.
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Reviewed in the United States on December 13, 2020
★★★★★ 2
Not good use of time
Format: Paperback
It’s not clear who this book targets - neither experts nor novice will benefit. There are expert perspectives, only few of these are helpful, rest are too generic to be of any use. For instance the last entry is one an engineer who shares how she went from zero to expert in cloud engineering in six months but fails to mention a single resource or pathway for others to follow.
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Reviewed in the United States on April 2, 2022