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Heulandite crystals on a bed of mordanite from India the specimen is 1" across

5.8k
718

Pinned from

flickr.com

Worlds biggest Amethyst Geode – The ‘Empress of Uruguay’

43.4k
11k

Pinned from

crystalcaves.com.au

Ethiopian Opal rough and cut, this are making me drool, love them !!!

19.2k
4.6k

Pinned from

auction3.mineral-auctions.com

Tourmaline

16.1k
3.7k

Tourmaline Buying Guide

palagems.com

Black Opal Black opal is the most coveted of all opal varities and at the high end of the market, The "black" in black opal means the gem has a very dark body tone. A black opal can be crystal or opaque. The rarest colour is red, next is green and orange with blue as the most common colour. Semi-black opal has an inherent darkness in it's body colour when viewed against a white background. Mid-grey stones are termed as semi-black. About 70% of the black opals come from Lightning Ridge…

15.9k
3.1k

Pinned from

opaloasis.com

Watermelon Tourmaline

15.3k
3.1k

Pinned from

ebay.com

quartz

15.3k
2.6k

Pinned from

exceptionalminerals.com

raw blue obsidian

15k
2.9k

Pinned from

images.search.yahoo.com

Cuprosklodowskite

14k
1.9k

Pinned from

mineralia.tumblr.com

raw amethyst.

9.4k
1.6k

Pinned from

indulgy.com