Why Does Olive Wood Change Colour Over Time?
Posted by Brother Oscar
Why Does Olive Wood Change Colour Over Time?
What the Darkening and Deepening of Holy Land Olive Wood Means — and Why It’s a Sign of Quality
If you own an olive wood cross or rosary that you have used regularly, you may have noticed that it looks different from how it did when it arrived. The colour is darker, richer, slightly warmer. The surface that was once pale honey gold has deepened toward amber. The grain is more visible now, the contrast between its lighter and darker tones more pronounced. The piece, in short, looks better than it did when it was new.
This is not deterioration. It is olive wood behaving exactly as it should — a material that responds to use in a way that almost no manufactured product does. Understanding why it happens helps explain what makes genuine Bethlehem olive wood distinctive, and why an object that has been handled daily for twenty years is often more beautiful than the same object fresh from the workshop.
The colour changes that make olive wood so distinctive begin with the wood itself — its density, its natural oils, and the way it is finished by hand in Bethlehem, a process detailed in this guide to olive wood craftsmanship and how each piece is made.
Why Olive Wood Changes Colour
All wood changes colour over time, but olive wood changes more noticeably and more attractively than most. The reasons are rooted in the structure of the material itself.
Olive wood is unusually dense, with a tight, fine grain that compresses more growth rings per centimetre than most other woods. This density is partly responsible for its characteristic warmth to the touch, and it also affects how the wood ages. The same density that makes olive wood heavy and durable also means that its natural oils — present throughout the cellular structure of the wood — take longer to dissipate than they would in a lighter, more porous wood. Those oils are central to what happens as the wood ages.
The Role of Natural Oils
Olive wood contains significant quantities of natural oil — oleic acid and other fatty acids that are also present in olive fruit and olive oil. These oils are distributed throughout the wood’s cellular structure, and they serve a protective function: they resist moisture absorption and make the wood less susceptible to cracking and warping than drier woods would be.
As the wood ages and is exposed to air, light, and handling, these oils gradually oxidise. Oxidation is a chemical process in which the oils react with oxygen in the air, forming new compounds that are darker in colour than the original oils. This is the same process that darkens linseed oil or other drying oils used as wood finishes — but in olive wood, it happens within the material itself, not just on its surface.
The result is a gradual, even darkening of the wood’s overall colour as the oils throughout its structure slowly oxidise over years of exposure. This process cannot be fully reversed, which is why an olive wood piece that has been stored in a dark drawer for a decade will not look the same as one that has been in daily use — but it also cannot be faked. The colour change produced by the natural oxidation of genuine olive wood’s oils is distinct from the result of staining or artificial ageing.
The Effect of Light
Light accelerates the oxidation process. Olive wood that is displayed in a sunny location — on a south-facing wall or on a windowsill — will darken more quickly than wood kept in lower light. This is not damage; it is simply the same ageing process happening at a faster rate.
However, prolonged direct sunlight can eventually bleach wood rather than darken it — the same UV radiation that initially darkens the surface eventually breaks down the pigments that give the wood its warm colour, producing a greyed or faded appearance. For this reason, olive wood objects are best displayed in good light but not in direct sunlight over extended periods. Indirect natural light — near a window but not in the window itself — is ideal.
What Happens When You Handle It
Of all the factors that affect how olive wood changes colour over time, regular handling is the most significant and the most visible. When you hold an olive wood comfort cross or pray with a rosary, two things happen simultaneously: the warmth of your hand slightly opens the cellular structure of the wood surface, allowing the wood’s natural oils to redistribute; and trace amounts of the oils from your own skin are deposited on the surface, adding to the protective and colouring effect.
Over time, this produces a patina — a surface quality that accumulates through use and cannot be achieved artificially. The wood becomes slightly darker and richer in colour. The surface develops a subtle sheen that is different from a polished lacquer — warmer, more organic, changing slightly with the angle of the light. The grain becomes more visible as the contrast between lighter and darker tones deepens. The piece begins to look, in the best sense, like something that has been loved.
A rosary that has been prayed daily for fifteen years will have a patina that no new rosary can replicate. This is one of the defining properties of genuine handcraft from natural materials: the object accumulates its own history, becomes more itself over time, and carries the record of its use in its surface. This is precisely the opposite of how mass-produced objects behave. A plastic rosary at fifteen years looks worse than it did when new. A genuine Bethlehem olive wood rosary looks better.
Why Different Pieces Change Differently
Not all olive wood pieces change colour at the same rate or in the same way. Several factors account for the variation.
The age of the wood matters: wood from older, slower-grown branches has denser grain and higher oil content than wood from younger branches, and it will oxidise more slowly but more deeply. The finish applied in the workshop matters: a light natural oil or wax finish allows the wood to breathe and age naturally, while a heavy lacquer slows the process by sealing the surface. The conditions of use and storage matter: a piece handled daily in a warm hand will develop its patina faster than one kept in a drawer.
This variability is one of the things that makes olive wood interesting. A set of rosary beads from the same workshop, made from the same branch, will develop differently in the hands of different users — carrying, in a literal sense, the record of the particular prayer life they have accompanied.
When Colour Change Is a Problem
Most colour change in olive wood is a sign of the material behaving correctly. But some changes indicate conditions that should be addressed.
Grey or whitish discolouration, particularly if accompanied by a dull or chalky surface texture, may indicate that the wood has dried out significantly — either from prolonged low humidity or from exposure to heat sources such as radiators. Olive wood that has dried out excessively is more susceptible to cracking. The fix is simple: apply a small amount of natural oil (olive oil or mineral oil), allow it to absorb for a few minutes, and then buff off any excess. The wood will recover its colour and resilience.
Blackening in localised areas, particularly around joints or crevices, may indicate moisture damage — the wood has been exposed to water repeatedly without drying fully. This is less common with solid olive wood pieces than with veneered or composite objects, but it can occur if a piece is repeatedly soaked and not allowed to dry.
If the surface of a piece is becoming sticky or tacky, the finish may be deteriorating rather than the wood itself ageing. A light buff with a clean dry cloth will often address this; if not, a small amount of natural oil applied and then buffed off will usually restore the surface.
Caring for the Colour
The best care for olive wood colour is benign neglect combined with regular use. Handle the piece. Pray with the rosary. Keep the cross where it can be seen and touched. The use itself is the best maintenance.
Beyond that: keep the piece out of prolonged direct sunlight. Keep it away from heat sources that will dry it out. If it begins to look dull or grey, apply a small amount of natural oil. Do not use cleaning products, solvents, or furniture polishes not specifically formulated for natural wood. Do not soak the piece in water.
Our complete guide to caring for olive wood crosses and rosaries covers every aspect of maintenance in detail, including what to do if a piece has been stored for a long period and needs to be revived.
Frequently Asked Questions
Is it normal for olive wood to turn darker over time?
Yes. Darkening is the expected and desirable result of olive wood ageing correctly. The natural oils in the wood oxidise gradually over time, producing a richer, warmer colour. A piece that has been used regularly for years will typically look more beautiful than it did when new.
Can I stop olive wood from changing colour?
You can slow the process — keeping the piece in low light and avoiding regular handling will reduce the rate of change — but you cannot stop it entirely. Olive wood will age and darken regardless of storage conditions, because the oxidation of its natural oils is a chemical process that continues even in the dark. The question is whether you want to slow the ageing or embrace it.
Will my olive wood piece look different from the photograph on the website?
Quite possibly, yes. Photographs show the piece at the time of photography; olive wood continues to change. Additionally, natural variation in the wood means that no two pieces are identical, even when cut from the same branch. The piece you receive will be similar in character to the photograph but not identical to it.
My olive wood piece has developed a grey tinge. What should I do?
Grey discolouration usually indicates that the wood has dried out. Apply a small amount of olive oil or mineral oil with a soft cloth, allow it to penetrate for a few minutes, then buff off the excess. Allow the piece to rest for twenty-four hours. If the grey does not fully resolve, repeat the process. The wood should recover its warm colour within a few treatments.
Does genuine olive wood age differently from imitations?
Yes. Genuine olive wood ages by developing a natural patina — the colour deepens and enriches over time through the oxidation of its internal oils and the accumulation of handling. Stained or synthetic alternatives do not age in this way; they may fade, bleach, or deteriorate in ways that look progressively worse rather than better.
TOPIC:
SHARE:
