48:58

The Glenn Rose

10:48

GRS Gem research Documentary : Expedition to the new Winza ruby mines (Tanzania) 2009 (Remastered)

28:54

The Bone People with Dr. Adolf Peretti

12:02

From Rough to World Record - Estrela de Fura - 55.22 ct

11:44

Night-Lizard from Gondwana: Retinosaurus hkamtiensis

05:11

The Perettiite Space Odyssey

36:38

GRS Gemresearch Documentary: Sapphire Mining in Madagascar (2008)

05:47

Mystery Lizard : Oculudentavis naga

36:51

Species from a Lost World : Yaksha perettii | Dr. A. Peretti

26:56

GRS Gemresearch Documentary: The Mozambique Ruby Collection - A Lifetime Experience

03:15

GRS Gemresearch: Fake Gems in the Market - Synthetic Periclase

04:29

GRS Gemresearch: The world’s only moving calcite crystal inside amber formed during dinosaur times

05:11

The Perettiite Space Odyssey

07:33

GRS Gemresearch: Slideshow Pigeon Blood Valley - On the Trail of Mogok's Famed Burmese Ruby

01:42

GRS Gemresearch: Unusual Phosphorescent Pebbles Identified as Synthetic Aggregates

05:33

GRS Gemresearch: Book Launch 'Pigeon Blood Valley' at NHM in Vienna

03:56

GRS Gemresearch Documentary: Colombian Emerald Mines - Areal Footage Cunas

05:58

GRS Gemresearch Documentary: Colombian Emerald Mines - Areal Footage Chivor

09:50

GRS Gemresearch Documentary: Colombian Emerald Mines - Cunas Mine Underground

02:03

GRS Gemresearch Documentary: Colombian Emerald Mines - Fura Tena

07:02

GRS Gemresearch Documentary: Colombian Emerald Mines - Interview Part 3

07:55

GRS Gemresearch Documentary: Colombian Emerald Mines - Areal Footage Chivor and Cunas

10:10

GRS Gemresearch Documentary: Colombian Emerald Mines - Sample Collection Chivor Mine

02:44

GRS Gemresearch Documentary: Colombian Emerald Mines - Muzo from the Air

01:31

GRS Gemresearch Documentary: Colombian Emerald Mines - Muzo Digging for Emeralds

03:03

GRS Gemresearch Documentary: Colombian Emerald Mines - Interview Part 1

08:12

GRS Gemresearch Documentary: Colombian Emerald Mines - Interview Part 2

02:17

GRS Gemresearch Documentary: Colombian Emerald Mines - Buying Samples at Chivor

03:26

GRS Gemresearch Documentary: Colombian Emerald Mines - Heli Landing Cunas

02:28

GRS Gemresearch Documentary: Colombian Emerald Mines - Interview Part 4

03:13

Dr. Peretti presents the case of children from Mogok affected by HIV to Aung San Suu Kyi

02:01

GRS Gemresearch: Perettiite Crystals in Phenakite

06:54

GRS Gemresearch Documentary: Heat treatment of spinel in Mogok, Burma (Myanmar) 2015

14:14

GRS Gemresearch Documentary: Discoveries in the Mandalay Gem Market

22:47

GRS Gemresearch Documentary: A Journey to Mogok

29:37

GRS Gemresearch Talk: World of Magnificent Spinels Provenance and Identification 2012

00:56

GRS Gemresearch Documentary: Expedition to the Mogok Ruby mines 2013

01:47

GRS Gemresearch Documentary: World-record pigeon's blood rubies discovered in Madagascar

03:44

GRS Gemresearch Documentary: World-record pigeon's blood rubies discovered in Madagascar, Part 3/5

05:44

GRS Gemresearch Documentary: World-record pigeon's blood rubies discovered in Madagascar, Part 5/5

03:34

GRS Gemresearch Documentary: World-record pigeon's blood rubies discovered in Madagascar, Part 2/5

02:01

GRS Gemresearch Documentary: World-record pigeon's blood rubies discovered in Madagascar, Part 4/5

01:41

GRS Gemresearch Documentary: World-record pigeon's blood rubies discovered in Madagascar, Part 3/5

02:24

GRS Gemresearch Documentary: World-record pigeon's blood rubies discovered in Madagascar, Part 1/5

00:52

GRS Gemresearch Trailer: World-record pigeon's blood rubies discovered in Madagascar 2012

04:18

GRS Gemresearch Documentary: Sri Lanka New Sapphire Mine - Kataragama 2012

09:58

GRS Gemresearch Talk: 13th ICA Congress in Panyu, China 2009 Part 1

01:02

Gemresearch: LA-ICP-MS Laser Ablation (LA) Inductively Coupled Plasma (ICP) Mass Spectrometry (MS)

04:28

GRS Gemresearch Documentary: Expedition to the new Winza ruby mines (Tanzania) 2009

01:25

GRS Gemresearch Fun-stuff: MINERS DANCE AFTER FINDING A BIG SAPPHIRE

05:13

GRS Gemresearch Documentary: Origin of Magnificent Rubies from Winza Tanzania 2008

01:26

GRS Gemresearch: Trailer New Winza Tanzania ruby mines visit 2008

00:31

GRS Gemresearch: Magnificent Winza Tanzania rubies 2008