SEARCH

Space and astronomy
environment and energy
Computing and technology
Biology and Medicine
Society and history
Science in Israel

menu

Space and astronomy
environment and energy
Computing and technology
Biology and Medicine
Society and history
Science in Israel

Comprehensive coverage

Ancient Egypt
Exodus from Egypt
The solar eclipse of April 8, 2024
War in the Middle East

Hayadan > Amnon Bar-Shir

Amnon Bar-Shir

Fluorite crystal - the mineral is mentioned in writings from the 16th century, is used, among other things, for ornamental purposes and is considered one of the most colorful minerals in the world. Photo: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

What does the crystal signify?

Weizmann Institute
July 13, 2018
No comments

most read in the last month

April 8, 2024 Total Solar Eclipse: Wider Path, Longer Duration, and Increased Solar Activity
Research Prof. Natan Rosen, 1995-1909
Gravitational waves reveal hidden interactions in space

Undergraduate Studies
Master's degree studies

More information

SAT Course
CRM system
Online accounting software
website builder
Foot spur insoles

The largest science site in Israel

Facebook f Twitter Telegram Youtube

Main Categories

Space and astronomy
environment and energy
Computing and technology
Biology and Medicine
Society and history
Science in Israel

Hayadan site

About
Contact Us
Advertising on the site
private policies
Terms of Use
RSS feed

Newsletters

The best newsletter of the science site

© All rights reserved to the science website and its owners

Development: wpPlugins.co.il

Space and astronomy
environment and energy
Computing and technology
Biology and Medicine
Society and history
Science in Israel

Main
About
Contact Us
private policies
Terms of Use

SEARCH

SEARCH

Open an access bar

Accessibility tools

Increase text
Decrease text
Grayscale
High contrast
Reverse contrast
Light background
Highlight links
Point readable
Reset