Order History
Premium Membership & Rewards
Help Center / FAQ
Allano's Gemstone Guide
By Allan Taylor
eBook
$4.95
By Allan Taylor
Collect stamps to save with Rewards. 10 stamps = $5. Learn More
Select a store to view item availability.
Available on compatible , the free NOOK App, and in My Digital Library
NOOK App
Download NOOK app
NOOK Devices
NOOK eReaders
- NOOK GlowLight 4 Plus
- NOOK GlowLight 4e
- NOOK GlowLight 4
- NOOK GlowLight Plus 7.8"
- NOOK GlowLight 3
- NOOK GlowLight Plus 6"
NOOK Tablets
- NOOK 9" Lenovo Tablet
- NOOK 10" HD Lenovo Tablet
- NOOK Tablet 7" & 10.1"
- NOOK by Samsung Galaxy Tab 7.0 [Tab A and Tab 4]
- NOOK by Samsung [Tab 4 10.1, S2 & E]
Free NOOK Reading Apps
- NOOK for iOS
- NOOK for Android
BN.com website
Go to your Digital Library in My Account
Limit 1 per customer
Allano explains how much can be done to identify gemstones using simple equipment such as a loupe, polariscope, dichroscope, magnet and Chelsea filter. Much more equipment is needed to solve the problem of distinguishing between synthetic and natural gemstones, including emerald, ruby, alexandrite and quartz, which is well covered with up-to-date information on what is on the market today.
Simulants of diamond, emerald and tanzanite are studied as are the more popular natural gemstones tourm...