Yes, travertine tile can be used on the floor of a gas fireplace.
IF you have a woodburning fireplace, and there is a small door- about 6 inches square on the outside of the house, check for a flip open door on the floor of your fireplace. If that is what you have, this is not a vent, but an ash clean-out. Shovel ashes thru the door on the floor of the fireplace, and you can remove them from the outside door without making a mess in the house. But not a vent. If that is not what you have, please post gain with a more detailed description.
The floor of a fireplace is typically called the hearth. It is a heat-resistant material such as brick, stone, or tile that surrounds the fireplace opening and extends into the room to protect the floor from heat and sparks.
The area beneath and around a fireplace is the hearth.
It's called a hearth.
The homophone that means a facing around a fireplace is "hearth." A hearth refers to the fireplace floor or area in front of a fireplace where a fire is burned.
place a hearth stone and use a fireplace screen
To reduce the chance of fire from materials rolling out of the fireplace, the floor in front of the fireplace should be a non-combustible material, such as brick, stone, concrete, slate, etc.
hearth
Any type of vacuum typically used in a home is safe for use near a fireplace. Residential vacuums should not, however, generally be used to clean ashes from the fireplace itself.
There should be a louvered intake outside the fireplace, and a steel door covering the intake tunnel, inside the house located towards the front, and in the floor of the fireplace.
The floor around a fireplace is commonly referred to as the hearth. It serves as a protective barrier between the fire and the surrounding flooring and is often made of fire-resistant materials such as stone or brick.