Brown on weathered surfaces. Fresh to the left.
|Mineral class||Phosphates : Amblygonite - Pharmakosiderite group.|
|Habitus||Rarely as crystals and then never well crystallised. Often as cleavable masses.|
|Cleavage||Basally perfect, imperfect in two directions. All cleavages are at right angles to each other.|
|Color||Pale gray to greenish gray on fresh surfaces.|
|Streak||White to grayish white.|
|Luster||Resinous to vitrous.|
|Occurance||In lithium pegmatites.|
|Associates||Vivianite, ferrisicklerite, heterosite, cleavelandite.|
|Notes|| Often with an surfaces of dark blue to black vivianite.|
Oxidised triphylite gets a yellow to dark brown surface.
Often with transformation products of ferrisicklerite and heterosite.
|Locations|| A not so common mineral in Sweden, but a few localities exists. |
| To phosphates index.
|| Mineral group index.
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