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Tree Agate

Geology / History
Tree agate is a dendritic Agate. Dendritic Agates have fern like patterns in them formed due to the presence of manganese & iron oxides. Other types of included matter deposited during Agate-building include sagenitic growths (radial mineral crystals) & chunks of entrapped detritus such as sand, ash or mud. Occasionally Agate fills a void left by decomposed vegetative material such as a tree limb or root & is called limb cast agate due to its appearance.
Most Agates occur as nodules in volcanic rocks or ancient lavas where they represent cavities originally produced by the disengagement of volatiles in the molten mass which were then filled wholly or partially by siliceous matter deposited in regular layers upon the walls. Agate has also been known to fill veins or cracks in volcanic or altered rock underlain by granitic intrusive masses. Such Agates, when cut transversely exhibit a succession of parallel lines often of extreme tenuity, giving a banded appearance to the section. Such stones are known as Banded Agate, Rib Agate & Striped Agate.

Metaphysical Properties
Expansive & calming providing security with joy. Great for protection during travel by air or car. Put a piece by a photo of estranged family members to call them home. Strengthens & harmonises family connections. Has deep earth connections. Helps to recall memories of all lifes & open the Akashic records. Brings peace to a troubled mind. Heals the pain of an unhappy childhood.

Crystal Healing
Clears energy blockages, fluid retention, vein & capillary problems. Absorbs pain when placed on the point of the pain.

Group: Quartz
Crystal System: Rhombohedral, Microcrystaline
Composition: SiO2 silicon dioxide
Form/Habit: Cryptocrystaline silica
Hardness: 6.5 - 7
Cleavage: None
Fracture: Conchoidal
Lustre: Waxy
Streak: White
Specific Gravity: 2.58–2.64
Transparency: Translucent
R.I: 1.530–1.540
Colour: White to grey, light blue, orange to red, black. banded
Birefringence: up to +0.004 (B-G)
Pleochroism: Absent
Inclusions of minerals vary