Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock.

Obsidian is commonly found within the margins of rhyolitic lava flows known as obsidian flows, where the chemical composition ( high silica content ) induces a high viscosity and polymerization degree of the lava.

Obsidian is hard and brittle ; it therefore fractures with very sharp edges, which had been used in the past in cutting and piercing tools, and has been used experimentally as surgical scalpel blades.

Obsidian is the rock formed as a result of cooled magma, which is the parent material.

Obsidian is also used for ornamental purposes and as a gemstone.

The Obsidian Order is a Cardassian intelligence organization in the Star Trek universe.

The Obsidian Order's agent training program is so advanced that they are made immune to most forms of interrogation, including Vulcan mind melds.

A supporting character, Obsidian, is shown to be a fan of Sondheim's musical.

Obsidian is thought to have provided the material to make cutting utensils or tools, although since other more easily obtainable material were available, use was found exclusive to the higher status of the tribe using " the rich man's flint ".

Top: Obsidian | obsidian ( vitrophyre ), below: pumice, lower right: is rhyolite ( light colour )

The Nahuatl name Itztlacoliuhqui is usually translated into English as " Curved Obsidian Blade ".

Wasteland 2 is currently in development by Brian Fargo's inXile Entertainment and Chris Avellone's Obsidian Entertainment.

He is also Chairman of AMT-SYBEX, Obsidian Regeneration Ltd and Virtus Data Centres Ltd.

Unlike other secret police organizations in the Star Trek universe, such as the Romulan Tal Shiar and the Cardassian Obsidian Order, Section 31 is not an actual branch of government.

One such implementation is the commercial DTS / S1 product from Obsidian Dynamics, or the open-source product db4o.

Another novel, The Sundered Worlds, appears in the White Wolf Publishing omnibus collection The Eternal Champion ( with the novels The Eternal Champion and Phoenix in Obsidian, in between the two ), but only as a bonus novel ; it is not part of the Erekosë series.

In Obsidian Butterfly she is also studying Kenpo Karate.

Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre-Columbian Mesoamerica.

He is also seen standing between the Question and Obsidian, during a scene in which Superman visits a metahuman bar.

Later mod making tools include The Elder Scrolls Construction Set which shipped with Morrowind, the Aurora toolset which was included with Neverwinter Nights, FRED and FRED2, the mission editors for Freespace and Freespace 2 respectively, the Obsidian tool set for Neverwinter Nights 2, the Garden of Eden Creation Kit SDK for Fallout 3 and the Valve Hammer Editor which is used to create maps for Half-Life, Half-Life 2 and various other games based on the Source engine ( older versions also supported the Quake engine ).

Chris Jones is a video game designer and co-founder and Chief Technology Officer of Obsidian Entertainment.

He discovered the true nature of the Heart of the Void, a stone which the Fallen can use to melt the world, in which the stone resides, into their own dark plane of existence and crafted the Three Seals, which prevent the Stone from working and as a last line of defense constructed, using mostly only his vast amounts of magical power, the Obsidian Tower and founded the Council of Mages to guard the Stone and the Order of Ruannon to watch over the Seals and the Chamber of Screams.

* Obsidian, usually not considered a mineral due to non-crystal structure.

Obsidian obeys the property of mineral hydration, and absorbs water when exposed to air.

Obsidian was valued in Stone Age cultures because, like flint, it could be fractured to produce sharp blades or arrowheads.

Obsidian was also used in ritual circumcisions because of its deftness and sharpness.

Starting in 2004, object databases have seen a second growth period when open source object databases emerged that were widely affordable and easy to use, because they are entirely written in OOP languages like Smalltalk, Java or C #, such as Versant's db4o ( db4objects ), DTS / S1 from Obsidian Dynamics and Perst ( McObject ), available under dual open source and commercial licensing.

The Obsidian Order frequently clashed with Central Command ( the Cardassian military ), partly because even the highest-ranking Command officers are not immune from Order inquiries.

Obsidian manages to defeat him in their first confrontation, though Chroma claims it was because his attentions were diverted to another event happening on the far from the galaxy.

" Obsidian and Strika had a MAGNIFICENT scene in which they return to Cybertron and decline an offer to be reformatted themselves ( partly because they feel unworthy because of their role helping Megatron, and party because I wanted them to remain " pure " when I brought them back in the next series ... which ( as of this writing ) I haven't been invited onto yet.

When Megatron was seemingly destroyed, she and Obsidian were lost because their purpose was now unclear.

" Obsidian and Strika had a MAGNIFICENT scene in which they return to Cybertron and decline an offer to be reformatted themselves ( partly because they feel unworthy because of their role helping Megatron, and partly because I wanted them to remain " pure " when I brought them back in the next series ... which ( as of this writing ) I haven't been invited onto yet.

* Obsidian, volcanic glass-non-crystalline structure, a glass and quartz mixture

Obsidian, a rare volcanic glass found only in Papua New Guinea had been discovered there, according to Dr Patrick D. Nunn, USP Professor of Ocean Science and Geography, who theorized that the people could originally have left southern China or Taiwan some 7000 years ago, settling in Papua New Guinea before drifting on to Fiji and other countries.

Obsidian, natural volcanic glass, shatters easily and was rarely used.

Obsidian is a black volcanic glass that was used to make knives, chisels, adzes, and other sharp tools in pre-contact times.

Obsidian is a natural volcanic glass that was used across Mesoamerica to make durable tools and weapons including knives, spearheads, arrowheads, bloodletters for ritual autosacrifice, prismatic blades for woodwork and many other day-to-day tools.

Obsidian is a volcanic glass that was sometimes used as a raw material in the manufacture of stone tools such as projectile points, knives, or other cutting tools through the process of flintknapping.

Obsidian is exposed locally on most extrusions, and analyses of fresh glass indicate that all of the rhyolite is of the so-called high-silica variety ; SiO < sub > 2 </ sub > content is essentially constant at 77 percent.

Obsidian is a type of volcanic glass.

In 2371 the Romulan Tal Shiar intelligence agency and their Cardassian counterparts, the Obsidian Order, launched a preemptive strike against the Dominion ; their entire fleet of approximately 4 Warbirds and 12 Keldon class Cardassian vessels, however, was destroyed, and it was revealed that the Tal Shiar officer leading the attack was actually a Dominion agent.

* Alison Sealy-Smith, Actor ; and founding member and founding director of Obsidian Theatre.

The story takes place chronologically between Phoenix in Obsidian and The Dragon in the Sword and ends with Erekosë meeting a ship that sails between worlds ; some of which Erekosë recalls in the novel.

Other Dark Kingdoms include ; the Dark Kingdom of Flint, the Native American underworld destroyed by the Stygian Empire ; the Dark Kingdom of Obsidian ( called by its inhabitants the Smoking Mirror ), the underworld of Central and South America largely destroyed by the Stygian Empire ; Khem or Duat, also referred to as the Dark Kingdom of Sand, the underworld of Egypt ; The Sunless Sea, the loose conglomeration of underworlds of Polynesia ; the Australian Dark Kingdom of Clay ; the seemingly paradisical city of Swar which houses the Hindu dead ; and the Enclaves of Wire, a loose conglomeration of protectorates held by the Dybuks, wraiths of victims of the Holocaust.

In an effort to gain his father's acceptance and approval, Garak followed his father's footsteps and joined the Obsidian Order ; at one point he was stationed on Romulus ( and was likely involved in the deaths of several Romulan officials ), until the Cardassians stationed him on occupied Bajor.

At E3 2010 it was announced that Obsidian would be developing Dungeon Siege III for Square Enix ; the game was released in 2011.

* Eerkens, J. W ; Vaughn, K. J ; Carpenter, T. R ; Conlee, C. A ; Moises Linares Grados ; Schreiber, K ( 2008 ) " Obsidian hydration dating on the South Coast of Peru " Journal of Archaeological Science 35, 2231-2239

Due to the RiD universe not being remotely connected to the original series, Beast Wars and Beast Machines universe, and the fact that this Obsidian did not appear in the TV show or in any other fiction, nor did he receive any sort of biography from Hasbro ; it can only be presumed that he was a completely different character.

Obsidian can be used to make very sharp knives ; obsidian surgical scalpels are available commercially.