Per 
SCP-XXXX
Object Class: Safe
Special Containment Procedures: SCP-XXXX is to be kept in an reinforced steel safe at site 22. All files and notes about SCP-XXXX must be kept in a secure server with backups in case of loss of data, backups are to be given to the Archival Department upon request. Level 3 clearance is required to perform tests on SCP-XXXX.
Description: SCP-XXXX is a dagger of aztec design found in a aztec temple near the town of [Redacted], off the coast of mexico. SCP-XXXX looks like a normal dagger 7in in length when held by male individuals regardless of ethnicity or background, when any female individual of any ethnicity or background wields SCP-XXXX however, the SCP starts to glow a ghoulish redish-pink. The anomalies occur when the blade cuts anything living like animals, plants, and humans. Anything SCP-XXXX cuts will either deteriorate or overgrow at an alarming rate, men who wield the blade will cause the deteriorating effect when cutting in living organisms. The latter is inflicted by the blade when the cut is inflicted by a women.
Both effects can be fatal to humans but the male effect is guaranteed to create an instance of SCP-XXXX-A when coming in contact with any human. SCP-XXXX-A is a person who has been cut by the blade when wielded by a male individual, when cut the person will undergo a transformation in which he or she will rot into a mummified corpse within the next 24 hours (time varies depending on the depth or size of the cut). The mummy will then continue to rot more until they are nothing but dust, if this dust is inhaled or ingested the effects will take hold of the person who inhaled or ingested it. Making it so all instances of SCP-XXXX-A are to be IMMEDIATELY terminated through acids.
The effect with women is different in humans especially. When one is cut by the blade wielded by a female, their body will start to revert to younger years. The severity of which (Just like the men) depends on the size and depth of the cut. Unlike the cuts by males there is no immediate death, but if the cut is too deep or large the victim will be reduced into a fetus and eventually nothing which in turn leads to death.
The blade's original origin is unknown although the temple has drawings on the wall which depict the aztec people worshiping SCP-XXXX as a gift from the aztec goddess Tlaltecuhtli. The blade has had extensive research done to plants and animals who have similar effects minus the dust produced by victims of a male stabbing. As for the female stabbing victims they will also revert into a sprout or baby animal/fetus.
It is also unknown why there is a difference between the blades effects in men, and the blades effects in women.
Testing: Extra testing has been performed with SCP-XXXX such as trying to use it on things like rocks or metal to see if it had the same withering effects to no avail. SCP-XXXX had an containment breach when Dr [Redacted] cut themselves by accident while testing the blade on marine life because of Dr [Redacted] older age he Withered into an instance of SCP-XXXX-A quickly in the water. Contamination was huge problem causing instances of SCP-XXXX-A all over a nearby town causing the foundation to evacuate the town under the ruse of an ebola outbrake. Foundation members have also suggested we test SCP-XXXX on other SCP's like SCP-682 but tests have yet to be done.
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SCP-XXXX: Destruction Test-01
Test: SCP-XXXX is subjected to heat up to 3500 degrees
Result: SCP-XXXX has no visible damage seen
Analysis: SCP-XXXX is not effected by fire of any temperature
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SCP-XXXX: Destruction Test-02
Test: SCP-XXXX is subjected to a hydraulic press meant to crush cars
Result: SCP-XXXX broke the press with no know visible damage
Analysis: SCP-XXXX cannot be broken or even damaged with extreme pressure
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SCP-XXXX: Destruction Test-03
Test: SCP-XXXX is shot with a .50 caliber anti tank rifle
Result: SCP-XXXX split the bullet in half, no visible damaged
Analysis: SCP-XXXX is not affected by high caliber rounds from fire arms
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