Perlato Royal is a classic southern Italian fossil limestone from the extraction regions of Coreno Ausonio near Cassino in Lazio and Ruvo di Puglia near Bari in Apulia — cream-beige to ivory in its overall effect, with the unmistakable “pearly” marking made up of rounded, calcite-filled rudist fossils, white shell fragments and a discreet horizontal layering. Traditionally listed in the Italian and German trade as a marble, polishable, frost-resistant — used for floor surfaces, wall claddings, façades, staircase installations, skirtings and prestigious Italian interior architecture.
Petrographically this is a dense Cretaceous fossil limestone from the extraction districts of Coreno Ausonio/Cassino in Lazio and Ruvo di Puglia near Bari in Apulia. Traditionally listed in the Italian and German trade as a marble, which corresponds to the Italian convention for all polishable carbonate rocks. For care purposes the classification as a limestone is decisive: Perlato Royal is acid-sensitive.
Other trade names: Cream Perlatino Marble, MEZZA PERLA, MEZZA PERLA BLU, MONTE CASSINO, NOCCIOLATINO CHIARO, NOCCIOLATO CHIARO, PERLATINO CHIARO, PERLATO ROYAL RISATINO, PERLATO SVEVO, Perlata Royal Marble, Perlatino Limestone, Perlatino Royal Limestone, Perlato Royal Limestone, Perlato Royal Marble, Perlato Royale Marble, Perlatto Royal Marble, RISATINO CHIARO, RO-02-036, SVEVO PERLATO
About Perlato Royal
Perlato Royal is one of the best-known and most widely used cream-coloured natural stone families in Italy. The designation encompasses a whole clan of related trade names from the two central southern Italian quarry districts of Coreno Ausonio/Cassino in the province of Frosinone (southern Lazio) and Ruvo di Puglia near Bari in Apulia — the rock family includes, among others, Perlato Royal, Perlato Royal Risatino, Perlato Svevo, Mezza Perla, Nocciolato Chiaro and Monte Cassino. Common to all varieties is their geological formation in shallow, warm Cretaceous seas, in which carbonate mud was deposited together with the shells and skeletal fragments of rudists — chalice-shaped bivalves that later became extinct — as well as foraminifera, algae and smaller bivalves, and consolidated over the course of geological history into a dense, compact fossil limestone.
Visually, this stone is defined by the typically “pearly” marking to which the family owes its name: circular to oval cross-sections of fossil rudist shells, white shell fragments and irregular light calcite inclusions stand out calmly against the warm cream-beige ground tone. The layering is usually only discreetly indicated, which gives Perlato Royal a homogeneous, settled overall effect — not a nervous image, but a classic, balanced Mediterranean appearance that has been valued for decades in high-quality residential and commercial architecture. Depending on the variety, the colouring moves between a pale cream white (Perlato Royal Standard) and warm golden-beige tones (Perlato Svevo, Nocciolato), and this breadth of ground tone makes the family very flexible and easy to combine in interior fit-outs.
Petrographically, Perlato Royal is a dense, polishable limestone. In the Italian trade it is traditionally listed as “marmo” — this Italian convention designates all polishable carbonate rocks as marble and has been established for centuries. In geoscientific terms, however, it is a limestone that originated in a sedimentary environment and has not undergone complete metamorphosis into true marble. This distinction is relevant for care and for the field of application: Perlato Royal is acid-sensitive and reacts to citric acid, vinegar, wine, cola and carbonated drinks with matt etch marks — a behaviour it shares with all limestones and true marbles.
The technical properties lie in the typical range of high-quality southern Italian carbonate rocks: a bulk density of around 2650 to 2700 kg/m³, a compressive strength to DIN of about 130 to over 190 MPa depending on the variety and the test specimen, a flexural strength between 11 and 13 MPa, and a low water absorption of 0.18 to 0.20 %, which makes it frost-resistant. These values qualify Perlato Royal both for demanding interior applications with high footfall and for moderate external applications such as façade claddings, staircases under a canopy and plinth slabs — for unrestricted use in open paving, however, it is not the first choice, because of its acid sensitivity to acidic precipitation and urban emissions.
In interior construction, Perlato Royal is a long-standing classic for Mediterranean, classic Italian and prestigious architecture. Floor surfaces in entrance halls, staircases, wall claddings, skirtings, window sills and bathrooms are among its core fields of use — the warm cream-coloured appearance immediately gives rooms an impression of value and dignified elegance without appearing cool or aloof. In the hotel and hospitality sector, too, it is frequently specified for its timeless effect and the wide availability of large-format slabs. For kitchen worktops, Perlato Royal is suitable only with reservations because of its acid sensitivity — anyone who explicitly accepts the limestone character and the typical formation of a patina over time gets a vividly ageing, characterful stone; anyone who wants a stain-free surface should reach for granite, quartzite or engineered quartz.
In stock
Current availability from our warehouse.
3 slabs in stock · plus 3 blocks
Thicknesses: 1 cm · Finishes: Polished · Available as: Skirting, Tiles and flooring slabs
Guide values for the stone type, taken from manufacturer and test reports. Natural stone is a natural product — individual batches and slabs can differ. For critical applications, request slab-specific test data.
Perlato Royal is available in a range of finishes. The finish affects appearance, feel and the care it needs.
Polished
Polishing is the most classic finish for marble and limestone — a glossy surface with the highest possible colour intensity and a pronounced depth to the veining. Depending on the mineral composition, the effect can be matte-gloss in places. Acid-sensitive — wine, lemon and vinegar leave etch marks after prolonged contact.
Care & fabrication
As a limestone, Perlato Royal is acid-sensitive — that is the most important piece of care information. Indoors, only warm water with an expressly pH-neutral stone cleaning agent may be used for daily cleaning. Aggressive household cleaners, vinegar, descalers containing citric acid, acid-based sanitary cleaners, cola, wine, fruit juices or other acidic substances cause matt etched patches that can only be reversed by professional re-polishing. Spilt acidic liquids should be taken up immediately with clear water in order to avoid damage. For polished interior surfaces, and above all for bathrooms and kitchens, an impregnation with an impregnating agent suitable for light limestones is recommended directly after laying and then every 1 to 2 years; it reduces the absorption of oil, grease and pigments without visually altering the stone. Outdoors (façade, staircase under a canopy) regular cleaning with clear water is sufficient; acidic precipitation leads in the long term to a slight patina, which many architects and clients accept as a welcome ageing effect. De-icing salt in winter should be avoided on Perlato Royal external surfaces — salt crystallisation can lead to spalling along fine microcracks. Anyone who wants a permanently stain-free look should take up intensely colouring substances such as red wine, olive oil, coffee and tomato sauce promptly; anyone who values the naturally ageing character of a Mediterranean limestone lets the stone develop its patina over the years.
Frequently asked questions
Is Perlato Royal a marble or a limestone?
In geoscientific terms, Perlato Royal is correctly a dense fossil limestone formed by sedimentary deposition in shallow Cretaceous seas. In the Italian stone trade, and hence in the international trade too, it is traditionally listed as “marmo” or marble, since in Italy this designation is customary for all polishable carbonate rocks. For care and for architectural decisions, however, the classification as a limestone is decisive: Perlato Royal is acid-sensitive and reacts to acidic substances with matt etching.
Where does Perlato Royal come from?
Perlato Royal is extracted in two central southern Italian districts: Coreno Ausonio near Cassino in the province of Frosinone in Lazio, and Ruvo di Puglia near Bari in Apulia. Both districts extract the same fossil-bearing Cretaceous limestone. Within the family, variants such as Perlato Royal Standard, Perlato Royal Risatino, Perlato Svevo and Mezza Perla are distinguished, whose colour nuances and fossil density vary slightly depending on the exact quarry location.
Is Perlato Royal suitable for kitchen worktops?
With reservations. Perlato Royal is acid-sensitive and reacts to citric acid, vinegar, wine and carbonated drinks with matt etch marks. Anyone who deliberately accepts the limestone character and the natural formation of a patina over the years obtains a characterful, vividly ageing working surface; anyone who wants a permanently stain-free surface should prefer acid-insensitive hard rocks such as granite or quartzite, or a corresponding engineered quartz. A professional impregnation reduces susceptibility to staining, but does not protect against acid attack.
What are the typical technical values of Perlato Royal?
A bulk density of about 2650 to 2700 kg/m³, a compressive strength between 130 and over 190 MPa depending on the variety, a flexural strength of 11 to 13 MPa, and a water absorption between 0.18 and 0.20 %. Perlato Royal is thus frost-resistant and suitable for moderate external applications such as façade claddings, plinth slabs and staircases under a canopy. Its acid sensitivity limits use in the openly weathered external area (paving exposed to acidic precipitation) over the long term.
What is the difference between Perlato Royal and Perlato Svevo?
Both belong to the same southern Italian limestone family and come from the connected extraction districts around Coreno Ausonio/Cassino and Ruvo di Puglia/Bari. Perlato Royal Standard shows the lighter, cooler cream-coloured ground tone with pronounced white fossil inclusions, while Perlato Svevo (also Svevo Perlato — the name refers to the medieval Hohenstaufen, or “Swabian”, rule in Apulia) has a somewhat warmer, golden-beige to nutty colouring and tends to show a calmer fossil structure. For a specific selection please enquire directly — the family is carried at ROSSITTIS in several variants.
How does Perlato Royal behave outdoors?
Frost resistance and low water absorption (0.18 to 0.20 %) qualify Perlato Royal for façade claddings, staircases under a canopy, plinth slabs and moderately weathered external applications. Acidic precipitation and urban emissions lead in the long term to a slight matt etching of the surface — many clients and architects accept this natural formation of a patina as the desired ageing character of Mediterranean limestones; anyone who wants a permanently polished external look should choose acid-insensitive hard rocks. For paving under free weathering, Perlato Royal is not the first choice.
What does Perlato Royal cost?
The price depends on the batch, thickness, surface finish and fabrication — with natural stone there is no serious flat rate per square metre. Business customers see prices once their B2B account is activated; private customers receive a complete quote through a fabricator near them.
